CSHP-150 - THE BERLIN TUNNEL OPERATION 1952-1956

Document Type: 
Collection: 
Document Number (FOIA) /ESDN (CREST): 
01225490
Release Decision: 
RIPPUB
Original Classification: 
U
Document Page Count: 
101
Document Creation Date: 
October 23, 2023
Document Release Date: 
August 9, 2023
Sequence Number: 
Case Number: 
F-2022-01255
Publication Date: 
August 25, 1967
File: 
Body: 
Approved for Release: 2023/06/28 C01225490 CS Historical Paper No. 150 CLANDESTINE SERVICES HISTORY THE BERLIN TUNNEL OPERATION 1952 - 1956 Other copy held by: DDP Controlled by: Fl/Division D Date prepared: 25 August 1967 Copy No. 2 of 2 Date published: 24 June 1968 Written by: (b)(3) (b)(6) IGROUP 1 Excluded from automati. , downgrading and declassification .................0..... Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 TABLE OF CONTENTS Page PREFACE LIST OF ILLUSTRATIONS iii I. INTRODUCTION. . 0 e 000 Oa. II. PLANNING IMPLEMENTATION IV. TERMINATION . �ou o e � o V. PRODUCTION. � ......� � VI. AFTERMATH . Appendix A Appendix B Appendix C Appendix D e 0 OOOOOOO 00 - Analysis of the Reasons for the Discovery of the Tunnel - Recapitulation of the Intelli- gence Derived - Typical American Press Comment - East German Press Comment 1 6 17 23 25 27 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490, PREFACE PBJOINTLY (the Berlin Tunnel project) came into being sometime in 1952 (the exact date cannot be established) and ceased as an active operation in the summer of 1956. The writer served as Headquarters case officer on the project from the winter of 1952-1953 until the summer of 1954 and then as (b)(3) (b)(6) the field case officer until February 1955. a senior Office of Communications officer in the project; Mr. William K. Harvey, Chief, Berlin Operating Base, 1952-1958; and Chief, (b)(3) (b)(6) Fl/Division D, 1952-1958, were intimately associated with the planning and implementation of the project at the policy level and very kindly offered suggestions for the preparation of this manuscript. Their comments have been incorporated and are greatly appreciated. Several other individuals, including who were in a position to offer valuable (b)(3) (b)(6) advice were absent from Headquarters during the period the paper was being prepared and thus unavailable to assist. When this project was first discussed with the then Director of CIA, Mr. Allen Welsh Dulles, he ordered that, in the interests of security, as little as possible concerning the project would be reduced to writing. It is probable that few orders have been so conscientiously obeyed, and yet there Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490-- G are a great many cubic feet of files connected with this pro- ject. These files mainly concern technical and administrative matters. Only those details which, in the opinion of the writer, are necessary to a broad understanding of the manner in which the project's objectives were accomplished have been included in this paper. Those interested in additional data may wish to consult the files. In addition to setting forth significant developments, the writer has attempted to provide insight into the reasons for certain courses of action. At times this required a speculative approach. The judgments derived from such specu- lation were shared by all those actively concerned in the management of the project, and it is the writer's hope that they are accurately expressed in the following paper. Any error in this respect, however, is the sole responsibility of the writer. (b)(3) (b)(6) 11 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 LIST OF ILLUSTRATIONS Figure 1 - Map of Berlin 2 - Detail Map of Rudow Section, Berlin 3 - Aerial View' of Rudow Section, Berlin 4 - Dirt in the Basement 5 - Vopos Studying the Installation 6 - East German View of the Compound 7 - Blinds on the Shield 8 - Excavating Using the Blinds - View of the Completed Tunnel 10 - Construction of the Vertical Shaft 11 - Completed Vertical Shaft 12 - View of Cables and Taps 13 - Shaft and Tunnel Entrance in Warehouse Basement 14 - Converted Fork Lift and Dirt Box 15 - Target Cables Exposed 16 - Schematic View of Tunnel 17 - Initial Stage of Construction of Pre-AmpChamber 18 - Pre-Amp Chamber 19 - Tapping Bridle 20 - Lead-Away Lines 21 - Soviet Press Briefing iii Approved for Release: 2023/06/28 C01225490 --Approved for Release: 2023/06/28 C01225490---- I. INTRODUCTION The exact moment when the idea emerged of digging a tunnel to intercept Soviet and East German communications is somewhat obscure; A number of factors must be considered, among them the following: a. As early as 1948 U.S. Intelligence Officers became interested in the benefits to be derived from tapping Soviet and Satellite landlines on a scale not previously considered necessary. The loss of certain sources during this period created gaps in our intelli- gence coverage which were particularly unfortunate during this period of Cold War escalation. It became evident that the tapping of certain'selected landlines might pro- duce the information needed to fill a number of the gaps in our overall intelligence picture. b. In the late 1940's and early 1950's the U.S., through the briefings of "returnee" German scientists (those who were taken by the Soviets after World War II to work in Russia) and other sources, became aware of a new Soviet voice secrecy device which the Soviets referred 1/ to usually as "VHE CHE." � It soon became evident that 1/ In normal usage "VHE CUE" means "high frequency". The Soviets, however, in context, used this term for a special speech scrambling device developed to provide security to their high level communications. Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490" the Soviets planned (b)(1) (b)(3) C. In the late 1940's the Office of Communications, in the course of its continuing efforts to provide secure communications for the Agency, became aware of a principle which, when applied to target communications, offered certain possibilities. Plans to exploit this technique were immediately formulated. These factors then served as additional incentives (above and beyond our normal collection requirements) to focus atten- tion on Soviet landline targets. In mid-1951 exploratory discussions were held in Washington to plan the mounting of an attack on Soviet landlines in East Germany with special empha- sis to be placed on the Berlin area. As a result of this conference (b)(1) (b)(3) (b)(6) an agent network was set up which was successful in penetrating the East Berlin office of the East German Post and Telecommunications network. Vital information on the first became available (b)(1) (b)(3) Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490,_ _ during the latter part of 1951, and by March 1952 all of the pertinent technical material �had been assembled and sufficient- ly analyzed to permit the pinpointing of the most important Soviet circuits. (b)(1) (b)(3) Subsequent events proved this information to be completely correct. Various methods. of tapping these circuits were explored and one sampling operation was run in the East Zone, unfortu- nately with negative results. By January 1953, however, effectiveness of the penetration network the(b)(1) (b)(3) (b)(6) had become such that a 15-minute sample was obtained of the prime target circuit. This was accomplished by (b)(3) (b)(6) cable pair to the West Berlin Post Office where it was recorded. This operation continued for some six months for a total of almost two hours. The longest continuous sample obtained was 29 minutes and most samples were of two to three minutes' duration. Special mention should be made of the fact that it was necessary to maintain a 24-hour watch over a six- month period on "our" end of the cable to record these 3 (b)(1) (b)(3) Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 samples r (b)(1) Meantime collateral collection effort continued on the (b)(3) communications systems involved and the Office of Communica- tions developed techniques for recovering the text from the magnetic tape recordings of the target signal. Somewhat ironically, the first actual material recovered proved to be a recording of a student teletypist practicing on the "home keys". While perhaps disappointing from the standpoint of intelligence content, this material served to prove the tech- nical possibility At this point (mid-1953) we knew it could be done - the next step was the problem of installing a.permanent tap on the target lines. Precisely at what point the idea of a tunnel for the purpose of tapping the target cables began to come into focus cannot be pinpointed: In 1951, the British advised CIA that they had for some years been tapping Soviet cables through a system of tunnels in the Vienna area and offered to share the take with the U.S. The suggestion was made by the British at 4 (b)(1) (b)(3) Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 the time that similar opportunities might be present in the Berlin area. While it should perhaps be possible to credit one individual with the initial concept, it appears to be a bit difficult to do so. At any rate., the British and CIA (W( 1) continued to pool collateral information, and by May 1953030) the idea of a tunnel to tap the target cables began to take definite shape. 5 ET Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 II. PLANNING Inspection of all sites from which it might be possible to tuhnel from the U.K. or the U.S. Zones to the target cables served to narrow the choices to two spots: one in the British and one in the U.S. Zone. The site actually used (see figs. 1, 2, and 3) was selected after careful deliberation which included, but was not limited to, the following factors: a. The location of the permanent water table (which is normally relatively high in Berlin) was ascer- tained to be 32 feet below ground surface. It was con- sidered that this fact would obviate the necessity for the use of compressed air, watertight locks, and water- tight construction with a corresponding reduction in the attendant engineering problems. b The length of the tunnel was considered to be not impractical although it far exceeded anything which had been done by the British in Vienna. c. Land was available on which to construct an installation from which to begin the tunnel. d. Complete collateral information on the area was available, including the target cable plans, aerial photographs, and the plans for all utilities serving the area. 6 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 - At this point the following major questions remained unanswered: a. Was it indeed possible to dig a tunnel of this magnitude (approximately 1500 feet) clandestinely, con- sidering the fact that the border at this point was heavily and constantly patrolled by the East Germans, and hit the targets? b. If the answer to the above was favorable, what was to be done with the spoil (reckoned at approxi- mately 3,000 tons of sand)? c. What type of cover installation could be built in such a remote area (this portion of Berlin was at that time a "squattersville" of shacks and hovels constructed from rubble by refugees from the East German Zone)? In retrospect the first question, "Could the tunnel be dug?", was never really a debatable one---those concerned more or less decided that given sufficient money and personnel the job could be done. (This judgment fortunately proved sound.) The second question, "Where do we put the dirt?", haunted the minds of project personnel for many weeks and a great many ingenious ideas were brought forth and discarded for one rea- son or another until the suggestion was made facetiously that we "dig a hole and put the dirt in it." This in effect was the solution. At this time no convincing cover story had Approved for Release: 2023/06/28 C01225490 --Approved for Release: 2023/06/28 C01225490 suggested itself and the current consensus favored making the cover compound an element of the Quartermaster Corps with a rather vague mission of housing items that should be dispersed for one reason or another in a remote area of Berlin. Space requirements for the recording and associated equipment were such that a building of warehouse proportions was needed; so it was decided to build a two-story warehouse. Local engineers were told that it had been decided to experiment with a new type of warehouse, one which would be half above the ground and half below with a ramp suitable for running fork lift trucks from the basement to the first floor. Berlin had been selected as the site for this warehouse because (a) construc- tion would be cheap due to low labor rates and (b) the work would benefit the Berlin economy. So the basement was dug under the eyes of the local border guards and we had "our hole 2/ to put the dirt in." � (See fig. 4.) While the "warehouse cover" was adjudged sufficient to solve the temporary problems of construction, it was not deemed solid enough to carry the project for an extended period. At this particular time the intelligence community was becoming increasingly interested in the potential of 2/As an interesting sidelight,'we heard later that the Quartermaster Corps became seriously interested in this type construction because the ratio of cost to storage space available was amazingly low. We do not know if any follow- up ever occurred. (b)(1) (b)(3) _Approved for Release: 2023/06/28 C01225490 - Dirt in the Basement Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 � Approved for Release: 2023/06/28 C01225490,� - SE (b)(1) (b)(3) For example: a. Excuse was provided for maintaining extra- (b)(1) ordinary physical security and tight compartmentation.(b)(3) in the Top Secret category at this period in its evolution.) b. c. Legitimate targets existed in the area. d. The existence (b)(1) (b)(3) (b)(1) (b)(3) (b)(1) (b)(3) the site provided the opposition with an explanation for the site's existence. In spite of the fact that any form of presents a priority target, it was argued that presenting the opposition with a reason (W(1) for the site's existence would make it a less prominent(m3) target than leaving it a "mysterious something." The 9 Approved for Release: 2023/06/28 C01225490 �,�...Approved for Release: 2023/06/28 C01225490., site did in fact In (b)(1) (b)(3) addition, the sight of the Soviets and East Germans standing on top of the tunnel with binoculars focused on the roof of the installation provided (b)(1) (b)(3) considerable amusement to personnel at the site. (See fig. 5.) Joint U.S.-U.K. planning for .the project continued throughout 1953 and in December of that year the Director of Central Intelligence approved the terms of reference which covered formal negotiations with the British for the implemen- tation of the project. A series of conferences in late 1953 and early 1954 led to the following decisions: a. The U.S. would: (1) procure a site, erect the necessary structures, and drive a tunnel to a point beneath the target cables; (2) be responsible for the recording of all signals produced and (3) process in Washington all of the tele- graphic material received from the project. b. The British would: (1) drive a vertical shaft from the tunnel's, end to the targets; 10 (b)(1) (b)(3) Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 5 - Vopos Studying the Installation Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 (2) effect the cable taps and deliver a usable signal to the head of the tunnel for recording; and (3) provide for a jointly manned U.S.-U.K, center in London to process the voice recordings from the site. It was jointly agreed that each side would keep the other advised in detail on all aspects of the project. It should perhaps be said here that the bilateral aspects of this operation (with one notable exception, which will be discussed later (see BLAKE, page 23)) caused few, if any, problems. The skills developed by the British during the Vienna operations stood us in good stead and the distribution of effort and ex- pense proved in the end to be reasonably equitable. Activity thus proceeded on three fronts - in Berlin steps were taken to lease the necessary land and right-of-way ease- ments for the site and a contract was let with a German con- tractor. The compound, which was roughly the size of an aver- age city block, was fenced with chain-type high security fencing and contained the main operations building (the one story with basement type warehouse previously described), combined kitchen-dini4g facilities and barracks, and another building which housed three diesel driven generators to provide power for all facilities. (See fig. 6.) Sanitary 11 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 JO MOT A UEUIJO9 CD Approved for Release: 2023/06/28 C01225490 ,,Approved for Release: 2023/06/28 C01225490, provisions consisted of a cesspool. (The logical placement of the cesspool was such that it was situated only a few feet from the tunnel site. It later developed when the tunnel was dug that this was quite unfortunate because working conditions in the sector adjacent to the cesspool were, to say ,the least, highly unpleasant.) Planning called for the completion of this workron 27 August 1954. For assistance in actually digging the tunnel it was decided to request help from the Army Corps of Engineers, and to this end the Chief of Staff and the G-2, U.S. Army, were briefed on the project. The initial contact with the Army was made personally by Mr. Allen Dulles to General Matthew B. Ridgway. Fortunately General Arthur Trudeau, a trained engineer, had just been appointed A.C. of S., G-2. From the first moment he learned of the operation, General Trudeau was an enthusiastic supporter of the concept. The Army selected Lt. Colonel Leslie M. Gross (the only available member of the Engineering Corps with any experience in tunneling) to head the project. This proved to be an excellent choice for Lt. Colonel Gross turned in an outstanding job. By mid-summer of 1954 he had firmed up the engineering plans, selected a crew of engineering personnel, and actually con- structed a mock-up tunnel some 150 yards long working under operational conditions at a high security base � 12 (b)(1) (b)(3) Approved for Release: 2023/06/28 C01225490 -Approved for Release: 2023/06/28 C01225490' Some mention should be made of the actual method of construct- ing the tunnel. Studies of the soil structure in the Berlin area showed a high percentage of sand. For this reason it was decided that the tunnel should be lined with steel. The same sand content contributed greatly to the danger of cave-ins at the face of the tunnel, and to eliminate this risk a shield was devised (see figs. 7 and 8) with horizontal "blinds" so arranged across its face that should even dry sand be encountered the danger of cave-ins was virtually eliminated. The tunnel liner was formed of sections of heavy steel plate so constructed that, when bolted together, five sections formed a steel ring approximately six feet in diameter and 15 inches long. Provision was made for, bolting these rings together to form a continuous tube of solid steel. The men worked under cover of the shield described above (which was slightly larger in diameter than the steel liner) and when sufficient material had been excavated, the shield was forced forward with hydrau- lic jacks and a new section of liner was bolted in place. Since this method left a void of approximately one and one- half inches around the liner (remembering that the diameter of the shield was greater than that of the liner), screw-type removable plugs were built into every third section of tunnel liner. This permitted removal of the plugs and the forcing of grouting material under high pressure to fill the void 13 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 PIaTqS 0141 uo SpUil - L Figure 7 - Blinds on the Shield Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 8 - Excavating Using the Blinds Figure 8 - Excavating Using the Blinds � � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 after the liner was in place. It was calculated (and subse- quently proven to be true) that this method of construction would not permit settling of the soil and detection of the tunnel from the surface. (See fig. 9.) Meantime in the U.K. British engineers constructed a mock- up of the tunnel's terminal end and fabricated an ingenious device which worked in principle like the tunnel "shield" described above, with the difference, of course, that the blinds (which closely resembled a conventional venetian blind) were horizontal but so hinged as to 'permit vertical excavation. This permitted excavating cautiously across the upper face of the vertical shaft in small areas and then jacking the entire structure up at the optimum rate. (See fig. 10.) Available plans indicated that the cables were buried some 27 inches deep along the side of a heavily traveled highway. The top of the vertical shaft (see fig. 11) then needed to be approximately 12 to 14 inches below the surface of the high- way in order to give the tapping crew room to work below the ceiling of the shaft, and the whole structure had to be capable of supporting the weight of heavy trucks since the tunnel and tap chamber lay directly beneath the highway. (See fig. 12.) Considerable care was devoted to insulating the 14 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 9 - View of the Completed Tunnel - View of the Completed Tunnel � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 OI ean2Ta Construction of the Vertical Shaft Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 --revg4L Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 12 View of Cables and Taps Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 3/ tap chamber to prevent its acting like a huge drum. Considerable thought was given to the quantity and content of the material available from the target and the manner in which it was to be processed. It was in this field, perhaps, that we experienced some of our greatest problems. It had been decided very early in the project's planning stages to maintain the strictest possible security measures. As a minimum precaution security checks were made on each individual who in any way became knowledgeable of the project's mission, and the same standards in force for clear- ances for Special Intelligence were utilized. A list of briefed personnel was maintained, special secrecy agreements were executed, and special briefings were given to all knowl- edgeable personnel. It was in the assemblage of a processing team that we experienced our greatest problem in maintaining security standards. Since the material to be processed was largely Russian voice, it was thought that we would need linguists with near native fluency in Russian. It is axiomatic that native fluency is usually available only in natives, and 1/In spite of the insulation, it was a weird sensation to be in the chamber when an iron-shod horse trotted across it. We also suffered some anxious moments one foggy morning when the microphone in the tap chamber gave forth with a continuous series of dull thuds. After the sun burned away the fog, visual observation showed that the East German police had set up a temporary automobile checkpoint directly over the chamber. The "thuds" the microphone picked up were caused by the police officer in charge stomping his feet on the road surface to keep warm. 15 Approved for Release: 2023/06/28 C01225490 - Approved for Release: 2023/06/28 C01225490* S E C natives were not clearable for the project. Although we were never successful in obtaining as many linguists as we needed, we were successful, through careful screening and intensive language training, in assembling a minimum crew for the job. This necessitated screening each personnel file in the Agency of those individuals who claimed any knowledge of German or Russian, arranging interviews and language tests, and negoti- ating transfers to the project. The Agency's language capa- bilities then were considerably less than now and some of the negotiations proved, to say the least, difficult. 16 Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 III. IMPLEMENTATION By 17 August 1954 things were beginning to take shape and the situation was as follows: a. The German contractors had completed the compound and we were in possession. b. All of the basic supplies, equipment, and personnel were in Berlin ready to start construction on the tunnel. This in itself involved transporting 125 tons of steel tunnel liner from the ZI to Berlin. The initial shipment across the East Zone to Berlin consisted of one and one-half freight trains, the loss of any pack- age of which could have blown the project. For security purposes all sensitive items, such as the tunnel liner, were double crated and banded and subjected to severe drop tests before they left the ZI. Similar items were differently packaged for deception purposes. co Space at Headquarters was secured and the Office of Communications had assembled a crew and was well under way in fabricating the unique equipment necessary to process the anticipated telegraphic traffic. do Initial personnel had been selected and were � being processed for both the Main Processing Unit (MPU) in London and the Technical Processing Unit (TPU) in 17 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Washington. It should be noted that personnel and equip- ment were programmed initially to exploit approximately ten percent of the anticipated take. In retrospect, per- haps this could be considered overly cautious. In justification of this decision it should be said that no one had ever tunneled 1,476 feet under clandestine condi- tions with the expectation of hitting a target two inches in diameter and 27 inches below a main German/Soviet highway. There were those who manifested certain reser- vations on the feasibility of so doing, and it is greatly to the credit of those senior officials, both civilian and military, that, in spite of these reservations, the project was permitted to proceed. In late August a vertical shaft some 16 feet in diameter was started in the warehouse basement floor (see fig. 13) and ground water was encountered at 16 feet instead of at the pre- dicted 32 feet. Such examination as could be safely undertaken under the steady observation of East German border guards and Soviet officials indicated that a clay lens existed in this particular spot, creating a "perched water table" the magnitude of which was unknown. Available information indicated that the clay lens possibly sloped down in the direction of the target and it was decided to proceed with the tunnel even though the top cover was to be less than half what had been anticipated. 18 Approved for Release: 2023/06/28 C01225490 Figure 13 - Shaft and Tunnel Entrance in Warehouse Basement Approved for Release: 2023/06/28 C01225490 Shaft and Tunnel Entrance in Warehouse Basement � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Careful visual observation was maintained and tunneling operations stopped each time the German guards walked over the tunnel on their regular patrols. Pumps were installed to take care of the excess water. Observation logs were maintained, and since the highway under observation was the main road from East Berlin to the Schoenfeld Airport, consid- erable Order of Battle information was obtained. It was also possible to estimate quite accurately the relative importance' of individuals visiting East Berlin by observing the security precautions taken by the East Germans and the Soviets. Both sides of the tunnel were lined with sand in bags as the tunnel proceeded and the excess spoil was hauled back to the basement of the warehouse. To facilitate movement, a wooden track was laid on the floor of the tunnel and a con- verted electric fork lift was used to pull a string of rubber- tired trailers back and forth in the tunnel. (See fig. 14.) Cool air was supplied to the face of the tunnel through duct- work from an air conditioning unit located in the warehouse. The tunnel was completed on 28 February 1955. Construction of the tap chamber commenced 10 March 1955 and was completed, with the three target cables exposed, on 28 March 1955. (See fig. 15.) To appreciate this accomplishment it is necessary to remember that the tunnel was 1,476 feet long (roughly the 19 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 14 - Converted Fork Lift and Dirt Box Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 15 - Target Cable Exposed Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490_- length of the Lincoln Memorial reflecting pool) and that the first half sloped down and the second half sloped up. (See fig. 16.) The lack of an adequate base line made the survey- ing problem especially difficult. The engineers decided at one point that an object of known size in the East Zone would be useful as a reference point, so a baseball game was organ- ized with the objective of knocking a baseball as far into the East Zone as possible. This scheme was frustrated by the friendliness of the East German guards who kept returning the baseball. Nonetheless, the engineers expressed confidence that they knew their position when the tunnel was completed to a point which could be contained in a six-inch cube. They were correct. Excess humidity is probably one of the greatest enemies of electronic equipment. To guard against this problem the section of the tunnel immediately adjacent to the tap chamber was insulated and sealed with marine-type plywood to form, in effect, a closed room. (See figs. 17 and 18.) Vapor barriers were erected and, in addition, a heavy "anti-personnel� door of steel and concrete was constructed to seal off the tunnel some 15 yards. from its terminal end. From the beginning it was realized that the duration of this operation was finite. Considerable thought was given to the posture the U.S. Govern- ment would adopt upon the tunnel's discovery and to those 20 Approved for Release: 2023/06/28 C01225490 Figure 16 - Schematic View of Tunnel Approved for Release: 2023/06/28 C01225490 (NOT TO SCALE VERTICAL EXAGGERATED - DIMENSIONS APPROXIMATE) SCHEMATIC VIEW NOT TO SCAI,-g VERTKAL ExAG6ERlirE0 DMEN5ION.5 APPROIIMATE Figure 16 Schematic View of Tunnel � Approved for Release: 2023/06/28 C01225490 Figure 17 - Initial Stage of Construction of Pre-Amp Chamber Approved for Release: 2023/06/28 C01225490 Figure 17 - Initial Stage of Construction of Pre-Amp Chamber � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 measures which would be taken at the site. The following position was finally approved: a. The posture of the U.S. would be one of flat denial of any knowledge of the tunnel. b. The tunnel was mined at the point it crossed the East-West Zone border with demolition charges capable of caving in the tunnel liner should the Soviets attempt forcible entry into the cover installation. c. The "anti-Personnel" door described above was 4/ installed. � d. It was agreed that the installation would be defended against forcible entry with all means at hand. The three cables were tapped on 11 May 1955, 21 May 1955, and 2 August 1955. All equipment for isolating and preampli- fying the signals and passing them down the tunnel for record- ing was in place before each tap was made so that monitoring of each pair could begin as soon as it was tapped. (See figs. 19 and 20.) Careful check was kept of the temperature and ./This door bore the following inscription neatly lettered in German and Cyrillic: "Entry is forbidden by order of the Commanding General." It was reasoned that this sign might give pause to Soviet and/or German officials and gain time. As a matter of fact, there were those Communist individuals who considered the posting of this sign as one of the most auda- cious aspects of the entire undertaking. 21 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 is1L, Figure 18 - Pre-Amp Chamber Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 J. 0 CD 0IPT-Ta 2uTddeJ, - 61 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Lead�Away Lines Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490" humidity in the tap chamber to prevent the possibility of the introduction of moisture into the target cables thus causing faults. The moisture in the air caused by the breathing and perspiration of the technicians doing the tapping operation forced the suspension of the operation several times to permit the air conditioning equipment to dehumidify the chamber. All the components in the electrical isolation net- works were individually selected and subjected to rigorous tests to insure maximum reliability, and the lead-away cables were constructed of the best available materials, sheathed in lead, and handled in accordance with the highest telephone company standards. The strictest possible visual watch was maintained with the tap crew. In short, in this, as in all aspects of the operation, every effort was made to guarantee success even though in many instances it meant delay in achieving the objective. 22 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490---- IV. TERMINATION The tunnel was discovered (see fig. 21) 21 April 1956, after 11 months and 11 days of operation. A memorandum pre- pared on 15 August 1956 (reproduced in its entirety as Appendix A) examines in detail all evidence available as of that date on the reasons for the discovery. The conclusion reached was that the loss of this source was purely the result of unfortunate circumstances beyond our control - a combina- tion of the fact that one of the cables was in very poor physical condition (this was known from the beginning) and a long period of unusually heavy rainfall. It appeared that water entered the cable in sufficient quantity to make it inopera- tive, thus necessitating digging up sections of the cable and causing discovery of the tap. Subsequent developments offer an alternative reason for the demise of the operation. In April 1956, MI-6 discov- ered that George BLAKE, case officer in their service, had been recruited by the Soviets while a prisoner in North Korea in 1952 and had continued under Soviet control. BLAKE was privy to all aspects of the tunnel from the earliest planning stages. BLAKE stated that he had informed his Soviet contact of the planned tunnel at the time the final decision was made on its location in the latter part of 1953. The 23 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Figure 21 Soviet Press Briefing Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 ' question then arises as to why the Soviets permitted the tunnel to be dug and to operate for nearly one year. Many theories have been advanced, but it is most probable that we will never know the exact rationale behind the Soviet moves. 24 Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 SEC V. PRODUCTION The following statistics may be of interest in evaluating the project: a. Three cables were tapped. They contained 273 metallic pairs capable of transmitting a total of approx- imately 1200 communications channels. The maximum number of channels in use at any one time approximated 500. On the average 28 telegraphic circuits and 121 voice circuits were recorded continuously. Approximately 50,000 reels of magnetic tape were used - some 25 tons. b. The London:processing center employed a peak number of 317 persons. Twenty thousand Soviet two-hour voice reels containing 368,000 conversations were fully transcribed. In addition, 13,500 German two-hour voice reels were received and 5,500 reels containing 75,000 conversations were processed. Seventeen thousand of these conversations were fully transcribed. c. The Washington center employed 350 people at its peak. Eighteen thousand six-hour Soviet teletype reels and 11,000 six-hour German teletype reels were completely transcribed. It should be borne in mind that many of these reels contained as many as 18 separate circuits, some of which utilized time-division multiplex to create additional circuits. The potential of any given six-hour teletype reel was approximately 216 hours of teletype messages. Both plain text and 25 Approved for Release: 2023/06/28 C01225490 -Approved for Release: 2023/06/28 C01225490 SE encrypted traffic was received. The daily output was about 4,000 feet of teletype messages. Printed in book form, these messages would have filled a space ten feet wide, 15 feet long, and eight feet high. d. A small processing unit (two to four persons) was maintained at the Berlin, site to permit on-the-spot monitoring of engineering circuits fory the protection of the project and scanning of the more productive circuits for the "hot" intelligence. Daily reports of sufficient value to warrant electrical transmission to Washington and London were produced. e. Processing of the backlogged material con- tinued until 30 September 1958 and resulted in a total of 1,750 reports plus 90,000 translated messages or conversations. f. The total cost of the project was $6,700,000. The information from this material was disseminated in a closely controlled system called "REGAL." Appendix B consists of a summary of the value of the material received together with typical customer comments. Despite our knowl- edge of the fact that certain elements of the Soviet Govern- ment were aware of our plans to tap these cables, we have no evidence that the Soviets attempted to feed us deception material through this source. Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 VI. AFTERMATH As previously noted, considerable thought was given during the entire life of the project on the result its discovery would bring. In retrospect it is probably correct to say that, among those most actively concerned with the project's management, a consensus developed that the Soviets would probably suppress knowledge of the tunnel's existence rather than admit to the world that Free World intelligence organs had the capability of successfully mounting an opera- tion of this magnitude. In other words, it was felt that for the Soviets to admit that the U.S. had been reading their high level communications circuits would cause the Soviets to lose face. Perhaps fortunately, fate intervened, and as a possible consequence the Soviet course of action was exactly contrary to expectation. The Commandant of the Soviet Berlin Garrison, who would normally have controlled the handling of the situation when the tunnel was discovered, was absent from Berlin and the Acting Commandant, Colonel Ivan A. Kotsyuba, was in charge. There is some reason to believe that he (for whatever reason) was forced to make a personal decision on a course of action without benefit of advice from Moscow. At any rate his reaction was unexpected in that he invited the entire Berlin 27 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490' press corps to a briefing and tour of the tunnel and its facilities. As a result the tunnel was undoubtedly the most highly publicized peacetime espionage enterprise in modern times prior to the "U-2 incident." Worldwide reaction was out- standingly favorable in terms of enhancement of U.S. prestige. Non-Soviet Bloc sentiment can be generally summarized as follows: a. There was universal admiration (and this included informed Soviets) on the technical excellence of the installation and the imaginative nature of the undertaking. b. The non-Communist world reacted with surprise and unconcealed delight to this indication that the U.S., almost universally regarded as a stumbling neophyte in espionage matters, was capable of a coup against the Soviet Union, which had long been the acknowledged master in such matters. c. Coupled with regret that the Cold War necessi- tated such measures, thoughtful editorial comment applauded this indication that the U.S. was capable of fulfilling its role of Free World leadership in the struggle. Appendix C contains a sampling of typical U.S. press accounts and editorial comment on the tunnel. Predictably the Communist press treated the tunnel as an outrage and an 28 SEC Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 intolerable indecency. Appendix D consists of a study of East German press reaction to the incident. For their contributions to Project PBJOINTLY awards 5/ were made to the following individuals: � Mr. William K. Harvey After the project went Distinguished Intelligence Medal Intelligence Medal of Merit (b)(3) (b)(6) Intelligence Medal of Merit Intelligence Medal of Merit Distinguished Intelligence Medal Intelligence Medal of Merit Intelligence Medal of Merit (b)(3) (b)(6) Distinguished Intelligence Medal Intelligence Medal of Merit into the production phase it was necessary to brief a great many people to properly utilize the product. In all almost 1500 U.S. personnel were cleared for the project, in addition to a very large number of British .p../Unfortunately the writer has been unable to locate an exact record of those persons who received other recognition from the Agency for their participation in this project and any omissions are regretted. It should also be noted that approximately 1000 people participated wittingly or unwittingly in this undertaking. In fact thereare very few, if any, of the elements of CIA that were not called upon for assistance, either directly or indirectly (such as providing manpower), during the life of the project. 29 e Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 S E T subjects. With the exception of BLAKE (as noted above), we have no indication that there was a single security leak during the life of the project. It is also interesting to note that compartmentation was good enough, even at the Berlin site, that a number of individuals actively engaged in working with the REGAL material were unaware of the exact source until they read about it in the press. Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490- - APPENDIX A NOTE: This assessment was prepared by the PBJOINTLY staff immediately after the discovery of the tunnel and is based on pertinent information available. At the time the report was prepared BLAKE's activities had not been surfaced. 15 August 1956 DISCOVERY BY THE SOVIETS OF PBJOINTLY Analysis of all available evidence - traffic passing on the target cables, conversations recorded from a microphone installed in the tap chamber, and vital observations from the site - indicates that the Soviet discovery of PBJOINTLY was purely fortuitous and was not the result of a penetration of the U.S. or U.K. agencies concerned, a security violation, or testing of the lines by the Soviets or East Germans. A descrip- tion of the events leading to these conclusions is contained in this paper. Following heavy rains in the Berlin area a number of tele- phone and telegraph cables were flooded and began to fault between Karlshorst and Mahlow on the night of 16 April 1956. The first major fault was discovered on cable FK 151 at Wassmannsdorf on 17 April. The fault was repaired by cutting the defective stretch of cable and replacing a 3000 meter length with a temporary replacement cable. Between 17 and 22 SEC Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 April, when the tap was discovered, cables 150, 151, 153, and 157 were inoperative at various times. During this period Soviet signal troops and East German Post and Telegraph tech- nicians worked frantically to re-establish and maintain com- munications. Telephone lines serving Marshal Grechko, the Commander of the Group of Soviet Forces, Germany (GSFG), and General Kosyakin, Malyi, Tsarenko, and Dudakov failed, tempo- rarily depriving these officers of communications. Faults on cable FK 150 put the Main Soviet Signal Center in Germany out of communications with Moscow, and the Soviet Air Warning Control Center in East Germany similarly lost its communications. German technicians began a testing program based at Karlshorst and Mahlow and working north from Mahlow. A major fault on FK 150 was discovered and repaired at Wassmannsdorf on 18-19 April, and on 19 April a second major fault on the same cable was discovered at Schoenfeld only two kilometers south of the tap site. It appears that the faulty section.rof cable was replaced with a new stretch during the early hours of 20 April, but communications remained unsatisfactory, par- 1/ ticularly on FK 156� 9 and the testing and repair program 1/ FK 150 caused project personnel considerable concern from the day that the cables were reached. It was physically in very poor shape, with brittle and cracking insulation. The actual tap of FK 150 was delaye0 almost three months in deference to its poor physical condition. 2 Eec Approved for Release: 2023/06/28 C01225490 --__Approved for Release: 2023/06/28 C01225490, continued. This general situation was noted by personnel at the site who checked the tap on the morning of 19 April and found it to be in good condition with no faults present. Berlin notified Headquarters of this fact on the evening of 20 April, noting, "available precautions taken including primary one of crossing fingers." Throughout 20 April Soviet operators at Karlshorst, the Mahlow cable chamber, and Zossen/Wuensdorf checked FK 150 pairs carrying circuits serving high ranking officials and made switches where necessary or possible. Nothing was said con- cerning the testing being conducted to discover the faults or work being done by a Soviet labor force lent to the Germans to assist in digging up bad stretches of cable. On 21 April a Karlshorst technician told a colleague in Zossen/Wuensdorf the FK 150 had not yet been repaired and that another two days' work would probably be necessary to clear up the trouble. Testing and rerouting of circuits were stepped up during the evening of 21 April, and the Soviets showed considerable con- cern over the failure of the Moscow-GSFG Air Warning telegraph channel which had been transferred to FK 150 on 17 April� Lt. Colonel Vyunik, Chief of the GSFG Signal Center at Wuensdorf, telephoned Major Alpatov, Chief of the Karlshorst Signal Center, at his apartment to inform him of the failure of the Air Warning circuit. They agreed that communications had to be Approved for Release: 2023/06/28 C01225490 - --Approved for Release: 2023/06/28 C01225490 established before morning and Alpatov left for his duty station. There is no significant information available on the actual progress of the testing and repair program proper from 0300 hours on 20 April to 0050 hours on 22 April. On the basis of available information, however, it seems probable that (a) the testing program continued north until a fault was located near the site and a decision was made to replace an entire section of cable which embraced the tap site; or (b) the re- peated faulting coupled with the age and physical condition of FK 150 led the opposition to the conclusion that the only effective remedy was to replace the cable, section by section, and that this program was inaugurated somewhere south of our site and continued northward until the tap was discovered. At approximately 0050 hours on 22 April, 40 or 50 men were seen on the east side of Schoenefelder Allee, deployed along the entire area observable from our installation, digging at three to five foot intervals over the location of the cable and, incidentally, the tap chamber. At approximately 0200 hours the top of the tap chamber was discovered, and at 0210 Russian speech was heard from the microphone in the tap chamber. The first fragments of speech indicated that the dis- covery of the tap chamber aroused no suspicion among those present. A small hole was broken in the tap chamber roof � 4 Approved for Release: 2023/06/28 C01225490 ----Approved for Release: 2023/06/28 C01225490., permitting limited visual observation of the chamber, and a 2/ Soviet captain was brought to the spot. After some discus- sion all agreed that the discovery was a manhole covering a repeater point, and the working crew began enlarging the hole to gain access to the "repeater point." While the working party was uncovering the tap chamber, Major Alpatov and Lt. Colonel Vyunik discussed the communi- cations situation in a rambling telephone conversation at approximately 0230 hours. They indicated relief at the res- toration of Air Warning Communications with Moscow, and Vyunik went on to express suspicion about the continued trouble on FK 150. In context it appears that this suspicion was directed at the failure of the Germans to clear up the diffi- culties on FK 150 once and for all. In any event, Alpatov clearly did not share his colleague's doubts. The general tone of this conversation was relaxed and casual, completely in keeping with the character of the two men, both of whom we know well. The conversation appears to be a clear indi- cation that, as of 0230 hours on 22 April, neither of these responsible officers was aware of the existence of the tap. V Presumably Captain Bartash, an engineer who later received an unspecified award from Marshal Grechko for the discovery of the tap. 5 ET Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Meanwhile back at the site the work of enlarging a hole to give full access to the �tap chamber continued. At approxi- mately 0250 hours an unidentified Soviet Colonel arrived on the scene, presumably in response to a request for guidance by the working party. The Colonel did not appear to be a signal officer since he took no active part in the investiga- tion and remained on the sdene only for a short time. Having enlarged the hole in the tap chamber roof, the workers saw for the first time the cables and the trap door on the floor of the chamber. They assumed the trap door to be "some sort of box" and had no suspicion of the true nature of the installa- tion. At approximately 0300 hours barriers were erected to keep inquisitive onlookers away from the excavation and it was suggested that someone be sent to the Signal Directorate, presumably to obtain relevant cable data. At the same time the first German voice was heard, in conversation with a German-speaking Russian, The German stated that two trucks must have passed the spot without locating it. The Russian answered that "Soviet troops are coming as well," and added that they must wait "until morning" for the decision as to what further work would be undertakeft. While these developments were taking place, Vyunik held a telecon with the Air Warning Center in Moscow in which he referred to the move of the GSFG Air Warning Center and 6 Approved for Release: 2023/06/28 C01225490 - �Approved for Release: 2023/06/28 C01225490, discussed, in detail, communication arrangements necessi- tated by this move. This revealing teleconference tends to support other evidence indicating that as of 0300 hours the true nature of the installation had still not been established. The work of excavation continued, and fragments of con- versation connected with it were picked up by the tap chamber microphone. A German-speaking Russian commented that "some- body has come from there and there are fewer workers there," suggesting that similar work was in progress at another point. The Russian gave instructions that' nothing in the installation ,was to be touched. A German remarked that the chamber might be connected with sewage work and proposed that plans of the sewage system be obtained from the responsible authorities. The Russian answered that they already had this information and that the plans showed "that chamber" to be 120 meters away from this point. of the tap chamber was tenor obtained, those about its exact nature At about 0320 hours, when still more revealed and a better view of the in- present began to speculate vaguely and the time of its construction. One of the Soviets, probably an officer, suggested that it might have been built during the war, possibly for "Vhe Che" (Russian abbreviation for "high frequency transmission," but used loose- ly to denote anything connected with secure communications.) Shortly after 0330 hours, the Soviets left the site by motor 7 Approved for Release: 2023/06/28 C01225490 -- �Approved for Release: 2023/06/28 C01225490 vehicle, presumably to report their findings. For approxi- mately one and one-half hours - from 0330 to 0500 - no sounds or voices were recorded. At approximately '0415 hours Vyunik telephoned Alpatov's apartment in Karlshorst and asked Alpatov if he had spoken with General Dudakov, Chief Signal Officer, GSFG. Alpatov said that he had, that he was getting dressed, and that he would go to his signal center as soon as possible. Vyunik told Alpatov to telephone him at the GSFG frame room at Zossen/Wuensdorf, adding, "When we speak we must do so care- fully. We know what the matter is, so we will speak care- fully." This indicated clearly that by 0415 hours the GSFG Signal Directorate and General Dudakov, the Chief Signal Officer, had been informed of the discovery of the PBJOINTLY chamber, viewed it with extreme suspicion, and planned to re- route circuits passing over the target cables. This coincides neatly with the departure from the tap site of the Soviets at 0330. At 0630 Vyunik telephoned Alpatov at the Karlshorst Signal Center and informed him that Lt. Colonel Zolochko, Deputy Chief of the Lines Department, GSFG, had left Wuensdorf at 0625 to go "there." Vyunik, in a resigned tone, then added that all that remained for him and Alpatov to do was to sit and wait. In due course Lt. Colonel Zolochko arrived at the site, accompanied by an unnamed Colonel and Captain Bartash, the 8 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490, Commander of the working party. By this time the Soviets apparently had brought circuit diagrams to the site and were aware of the pair allocations on the affected cables. There was considerable discussion of the discovery, and one of the crew actually entered the chamber and made a superficial and inconclusive examination. Shortly afterwards the statement, "the cable is tapped," was made for the first time on the scene. At about this time (0635 hours) Lt. Colonel Vyunik tele- phoned Major Alpatov and asked whether he had received the "task" and whether its meaning was clear. Alpatov replied that he had received and understood the assignment. Speaking in unusually vague terms, Vyunik instructed Alpatov to take over two low-frequency channels, presumably provided by the KGB signals organization. (These channels would provide tele- phone communications between Berlin and Wuensdorf via overhead line and would by-pass the tapped cables.) Vyunik added that they could continue necessary technical discussions on the new facilities. Although teletype traffic continued until the tap wires were cut - at 1535 hours on Sunday afternoon - the last tele- phone call of any interest was placed sometime between 0800 and 0900 hours on 22 April, when an agitated General speaking from Marshal Grechko's apartment attempted to contact Colonel 9 SEET Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 SE T Kotsyuba, who was then acting for General Dibrova, Berlin � Commandant. Unable to locate Kotsyuba, the General talked to Colonel Pomozanovskii, Chief of Staff of the Berlin Garrison, stressing the urgency of his call. Pomozanovskii promised to find Kotsyuba at once and get him to return the call. The return call was not intercepted, but there appears to be no doubt that Marshal Grechko had by this time been informed of the discovery and wished to discuss it with Colonel Kotsyuba. A few telephone calls were attempted after this, but the oper- ators refused to place the calls, and in one case a Karlshorst operator said, "I won't put you through to anyone. Don't ring, that's all. I won't answer you any more. It's in the order." Between 0700 and 0800 hours a number of additional Soviet officers arrived at the excavation, including Colonel Gusev of the KGB Signals Regiment. A Russian-speaking German was heard to remark that a "commission" was expected, and a Soviet officer said that they would await the arrival of this commis- sion before making a decision as to what the next step would be. In answer to a question as to whether anything should be disconnected, the same officer stated that nothing should be done beyond making motion pictures of the chamber. He added, however, that the hole providing access to the chamber should be enlarged and a detailed inspection should be carried out. The general discussion continued, and the possibility of some ,10 Approved for Release: 2023/06/28 C01225490 -----..-Approved for Release: 2023/06/28 C01225490. form of explosive booby trap in the chamber was discussed at some length. There was widespread belief that the trap door, which in fact provided access to the tunnel proper, was a "box" or "battery box" possibly involving a booby trap. One of the Soviet officers, probably Zolochko, suggested that, after every- thing had been carefully noted and recorded, a grappling iron could be attached to the "box" in order to tear it away. "If there is no explosion," he said, "then we can calmly go ahead and deal with it." Several individuals, presumably German cable splicers, agreed that the cables were fully tapped and discussed the method employed. They agreed that it must have been done in such a way as to render the tap undetectable by measurements, although one of them failed to understand why the actual cut- ting of the cables was not detected. He added that at that time "everyone must have been quite drunk." The Germans con- tinued to speculate on the nature of the "box" and about the means of access to the tap chamber. One of them said, "They themselves must have some means of entering this place, but naturally it's highly improbable that they have constructed a passage for getting from here to there!" Some of those present apparently believed that the tap was an old one and had been abandoned due to recent faults on the cable. During this discussion the microphone was � 11 Approved for Release: 2023/06/28 C01225490 __Approved for Release: 2023/06/28 C01225490_ twice noted, but was not recognized for what it was. In the first instance the speaker said, "That is not a microphone," and in the second it was described as "a black ball." The general discussion continued, with speculation as to the nature of the "battery box" and with several comments that it should be possible to identify the tappers "from the make of the materials" and the techniques employed. While the Ger- mans began work enlarging the hole around the tap chamber, the Soviets discussed in some detail the order in which technical experts and administrative representatives would carry out their inspection. The Soviets identified the lead-off cable as "not ours," indicating that after the inspection they planned to disconnect the lead-off cable and to "check how far it goes from here" - probably by means of electrical measurements. It is evident that at this time (approximately 1130 hours) the Soviets and Germans were still unaware of the existence of the tunnel, the means of access to the tap chamber, or those re- sponsible for the tap. At approximately 1145 hours one of the German crew was heard to exclaim, "The box is an entry to a shaft:" From the tenor of the ensuing conversation it would seem that a small hole had been made near the still-intact trap door. The Germans debated the removal of the trap door, but continued to work at and around it despite the alternate 12. SE ET Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490. suggestion that "we should open up the road opposite until we reach the cable or the shaft." By approximately 1230 they had removed the hinges and entered the lower part of the tap chamber. The padlock which secured the trap door from below was examined and was identified as "of English origin." Failing to open the door separating the tap chamber from the equipment chamber, the Germans, after approximately twenty min- utes, broke a hole through the wall and gained visual access to the equipment chamber, which they described as "a long � passage." By 1300 they evidently had enlarged the access hole and described "a completed installation - a telephone exchange.. .. An installation for listening in /Kbhoeranlage7." Additional motion pictures were made and frequent excla- mations of wonder and admiration were heard. At 1420 a Soviet Colonel, probably Zolochko; a person addressed as Nikolai Ivanovich, probably Major Alpatov; and a Captain, presumably Bartash, entered the chamber and discussed the method used by the tappers in gaining access to the cables. Zolochko evidently still believed that this was done "from above." Conversations indicated that the joint Soviet-German commis- sion, mentioned earlier, had already visited the site and established the nature of the installation without going into technical details. 13 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Measurements of parts of th'e interior were then taken, discussion of the installation became general, and the partici- pants clearly indicated that the means of access and full impli- cations of the operation were finally appreciated. Conversations reflected that all present realized that the planning of the tunnel approach to the cables must have necessitated a very detailed study of relevant maps and plans. The stress to which the roof of the chambers would be subjected and the necessity of preparing the lead-off cables beforehand were mentioned, and a German was heard to exclaim, "It must have cost a pretty penny." A Russian-speaking German added, admiringly, "How neatly and tidily they have done it." It was decided that work on the tunnel must have been carried out during the day when the sound of the street traffic would drown any noise, whereas the actual tapping was done "during the night, between one and two o'clock, when the traffic on the cables is slight." One of the Germans rather indignantly exclaimed, "What a filthy trick. And where you would least expect it." -- to which another replied, "Unless one had seen it for oneself, nobody would believe it." Between 1515 and 1530 hours the tap wires were cut, and at about 1545 the attention of the Germans began to concentrate on the microphone itself. One of them assumed it to be an "alarm device - probably a microphone," to give warning of 14 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 approaching motor traffic, and added that it ought to be photographed. At 1550 hours work began on dismantling the microphone. Shortly afterward the microphone went dead and, after 11 months and 11 days, the operational phase of PBJOINTLY was completed. Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490, APPENDIX Bs RECAPITULATION OF THE INTEIJLIGENCE DERIVED Set forth below are a recapitulation of intelligence derived from the REGAL material and some typical consumer comments. GENERAL The REGAL operation provided the United States and the British with a unique source of current intelligence on the Soviet Orbit of a kind and quality which had not been avail- able since 1948. Responsible U.S. and British officials con- sidered PBJOINTLY, during its productive phase, to-be the prime source of early warning concerning Soviet intentions in Europe, if not world-wide. Following are examples of items of intelligence for which REGAL was either a unique or most timely and reliable source. POLITICAL Throughout the life of source (11 May 1955 - 22 April 1956) we were kept currently informed of Soviet intentions in Berlin; REGAL provided the inside story of every "incident� occurring in Berlin during the period - a story which was in c a I Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490, - each case considerably at variance with accounts of the same incident as reported by other sources. REGAL showed that, contrary to estimates by other sources, the Soviets at that time did not intend to relinquish their prerogatives vis-a- vis the other three occupying powers despite continually increasing pressure from the East Germans to assert their sov- ereignty in East Berlin as well as in the rest of East Germany. REGAL provided a clear picture of the unpreparedness, confusion, and indecision among Soviet and East German officials whenever an incident occurred in East Berlin involving citizens of one of the Western powers. The Soviet decision to implement the establishment of an East German Army was disclosed by REGAL in October 1955, in time to notify our representatives at the Foreign Ministers Conference in Geneva to that effect. REGAL provided a detailed account of the Soviet program for implementation of the decisions of the 20th Party Congress, including measures to suppress unrest among Soviet nuclear scientists resulting from a too-literal interpretation of the new theory of collective leadership and the denigration of Stalin. The progress of Marshal Zhukov's attempt to curtail the influence of the political officer in the Soviet Armed Forces (which led to his subsequent downfall) was traced in REGAL Approved for Release: 2023/06/28 C01225490 ----Approved for Release: 2023/06/28 C01225490 SE material from the autumn of 1955 to mid-April 1956. REGAL provided considerable intelligence on the relation- ships between various key military and political figures of the Soviet hierarchy and on relations between the Poles and the Soviet military forces stationed in Poland. MILITARY General a. Reorganization of the Soviet Ministry of Defense. b. Soviet plans to implement the Warsaw Pact by increasing Soviet-Satellite military coordination. c. Implementation of the publicly announced intention to reduce the strength of the Soviet Armed Forces. d. Identification of several thousand Soviet officer-personnel. Air a. Development of an improved nuclear delivery capability in the Soviet Air Army in East Germany. b. Re-equipment of the Soviet Air Army in East Germany with new bombers and twin-jet interceptors having an airborne radar capability. C, Doubling of the Soviet bomber strength in Poland and the appearance there of a new fighter division. Approved for Release: 2023/06/28 C01225490 pproved for Release: 2023/06/28 C01225490, d. Identification and location of approximately 100 Soviet Air Force installations in the USSR, East Germany, and Poland, including a number of key aircraft factories. Ground Forces a. Order of battle of Soviet ground forces within the USSR not previously identified or not located for several years by any other source. b. Soviet training plans for the spring and early summer of 1956 in East Germany and Poland. c. Identification of several thousand Soviet field post numbers (used by G-2 to produce Soviet order of battle intelligence). Navy 6 a. Reduction in the status and personnel strength of the Soviet Naval Forces. b. Organization and administrative procedures of the Headquarters of the Soviet Baltic Fleet and Soviet Naval Bases on the Baltic Coast, SCIENTIFIC Identification of several hundred personalities associ- ated with the Soviet Atomic Energy (AE) Program. Association of certain locations in the USSR with AE activities. 4 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 R Organization and activities of Wismuth SDAG (mining uranium in the Aue area of East Germany). OPERATIONAL Organization, functions, and procedures of the Soviet Intelligence Services in East Germany; identification of several hundred Soviet Intelligence personalities in East Germany and Moscow. TYPICAL CONSUMER COMMENTS March 1956 ACSI/Army - "REGAL has provided unique and highly valuable current information on the order of battle, training, organization, equipment, and operations of the Soviet and East German Ground Forces. In addition, the scope and variety of the types of information found in REGAL have confirmed that it is our best source of early warning of Soviet attack." ACSI/Air - "The numerous productions received from the REGAL project have been an extremely valuable con- tribution to the Intelligence Community in our common problems." 7 February 1958 CIA/OSI - "REGAL has provided valuable information on atomic energy activities in East Germany, including Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 T organizational relationships, personalities, procurement details, and uranium ore shipment data. The number of hitherto unknown atomic energy localities, personalities, and activities disclosed in REGAL traffic is impressive." CIA/ORR - "In referenced memorandum we indicated our great interest in financial material of all kinds which was available in REGAL material. Thanks to your coopera- tion we are exploiting the material with great success." 6 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 pproved for Release: 2023/06/28 C01225490 APPENDIX C TYPICAL AMERICAN PRESS COMMENT SE ET Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490, WASHINGTON POST 1 May 1956 TheTun:nd of Look? The United Statei Government has not yet made any official reply to the Soviet and East German allegations and protests concerning the 300-yard tunnel that American intelligence operatives are said to have built underneath the border between West and East Berlin for espionage purposes. Meanwhile, assuming the story to be correct�we cannot help thinking the Communists have made a grievous mistake to raise so much fuss about their discovery, They are even said to �have conducted special propaganda tours through the tunnel and to have exhibited the wiretapping and other record- ing apparatus that the Americans are supposed to have installed inside it. The probable result of all this has been to give the anti-Communist resistance in East Germany a good deal of amusement and encouragement. Cer- tainly it must have served to strAgthen the .im- pression of American resourcefulness and thereby to restore some measure of our prestige--which apparently had been deteriorating since the equivo� cal attitude taken by the American authorities in the East German uprisings of June, 1954�among the captive population. The reaction of their kinsmen in 'West Germany is probably a pretty good index to their own. In West Germany the story has been accepted at face value with astonishment and delight as an evidence that the tradition of Yankee resource- fulness and ingenuity is not a myth after all. Espionage is one game in which the Communists were deemed, even by their enemies, to be par- ticularly expert and our own side to be dismally inept, Very few Germans, as the Frankfurter Neue Presse exultantly observed, even suspected that the Americans "were capable of so much cleverness"; and it would be even more devastating to Communist prestige if it were disclosed that the espionage tunnel had been in operation for some time before the Communists became aware of it. Indeed, if the tunnel episode turns out lo have been the product of Yankee ingenuity, there is an interesting parallel in American history. During the siege of Petersburg in 1864, an 'enterprising Union officer from the Pennsylvania coal fields conceived the idea of mining the Confederate positions from a tunnel under them. The tunnel was dug and the mines were finally set eff; And though the operation was a fiasco in part because' of the failitre of Union commanders to execute orders, the boldness of the stroke has compelled .admiration ever since, ' � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 TIME MAGAZINE 7 May 1956 ' BERLIN Wonderful Tunnel Berlin, city of � rubble, refugees, and occasional patches of !glitter, is an Alfred IIitchcock dream of subterfuge and suspi- cion. In back streets, darkly mysterious' houses lurk behind high wire fences sug- gestive of darker ;Ind more mysterious doings within. Newsmen recently count!cl .s.7 separate agencies of Western intelli- gence known to be at work in Berlin. Their ols.ratives�some fashionably 'clothed in the grey flannel of New York's ! Nladison Avenue, some with armpit holr sters bulging under blue serge�report to � k different headquarters. and rarely know what. their colleagues are up tu- tu :di Berlin there is no spot better suited to the Ili:uncoil( scheme of things tIi an a rustic, semi-deserted corner known on the U.S. side as Rudow and in the Russian zone, just over the way, as Alt- Glienieke. Self-important ducks and chickens strut like commissars in Alt- Glienicke's cobbled street . Berlin�s only working windmill turns lazily in the breeze near by, and close to the boundary separating East and West stands a U.S. radar station, bending its reticular 'ear to the operations at East Berlin's busy Schonefeld Airport. Two rings of barbed wire guard the lonely radar post, and The Big Collar. For many a month, the super-secrecy surrounding the con- struction and operation of Rudow.s radar station had fed the gossip of bored Amer- icans in the occupied city. There were those who remembered a civilian engineer hired to supervise the job; he had quit in disgust because the blueprints seemed so crazy. "Why build a cellar big enough to drive through with a dump truck?" he asked, and was told to mind his own busi- ness. Others recalled seeing friends whom they knew to be engineers suddenly ap- pearing at the station wearing the insignia of the U.S. Army Signal Corps. Why? An amused shrug was the only answer ques- tioners ever got�but last week the Rus- sians thought they had found a better one. - One night at 7 o'clock, an angry, chunky Soviet colonel named Ivan Kotsi- uba called a press conference in East Ber- ' 'lin. Purpose: to protest the building by. "American organizations" of a secret tunnel under East German�territory. "with the criminal intent of spying." Offered a chance to see for themselves, the Western � ' � newsmen were taken to a site some sop: behind them a detachment of uniformed yards from the radar. station at Rudow.-; Signal Corps men live a life as secret; ' and isolated as monks. C-3 A Lot of Money. Truckloads of Red army troops and squad cars crowded with Voikspolizei stood by. Mobile generators were humming to provide lights for the occasion, and at the entrance to a bole dug in the ground. 0 colonel of the Rus- sian signal corps was on hand to explain it all. Ten feet below. its entrance a hole cut. in the roof by tile Russians. lay the tunnel itself; a cast-iron tube about six feet in diameter and soo-600 yards long, crammed with electronic equipment, ca- bles, tape receirders, ventilating apparatus and pumps of both British and American make. At the East Gemian end. cables led out of the main body of the tunnel to a separate chamber where they were linked to two East German cables and a third used by the Russians. What was at the American end? The newsmen were not permitted to know. As they crawled west- ward, a sandbag barrier barred the way, its purpose emphasized by a sign reading in English and German: "Von are now entering the American sector.'� "This tunnel," said the Russian expert, with a note of admiration, "was built to last years. The party responsible must have had a lot of money." !Who was responsible? Nobody, neither the Pentagon, the State Department, nor the Central Intelligence Agency, was say- ing. But as Berlins'papers erupted glee- fully with the news, one Berlin editor told a ranking U.S. official: "I don't know whether your people (lug that wenderful tunnel or not, but whoever it was, let me say I think it was too bad it was found. It's the best publicity the U.S.has had in. Berlin, for a long, time." Approved for Release: 2023/06/28 C01225490 �Approved for Release: 2023/06/28 C01225490 � BOSTON OST cire.: m. 267,872 S.f 196,496 Front Ed I ()Shot p.c. p4. , DAY 2E3 MY 41956 r-lope Tr1.4 ' Soviet charges that American intelligence agents;. dug a tunnel in Berlin, tapped a telephone cable, andi I recorded conversations over the Red communication ,net- work, which the Reds .made With considerable�fanfare� and during a conducted tour of the spy tunnel for cor7� d respondents, gives us some faint hope. � Frankly, We didn't.knoW that American intelligencl Lagents were that smart.: In fact, we were beginning td. I think that what the Central Intelligence Agency needed. wZM:new lelsoiis' on the fundamentals. of espionage. !f_r_orn-S_orLie defected Russian agent$131iti.now_we take it; all back. If the Soviet charges are true, American intel- ience agentS'Ia-Ve-i1Ctually eollected, some important s information co-ncerning Soviet rmilary operations and. ,..---- ,installations in East_QeXIDAM.Y.,, ; "We^ liOpe that American intelligence .agents have iinfiltrated :the � Soviet department of foreign a'ffairs, planted western'sympathizers� in the heart of the Soviet! �bureaucracy and started a stream of microfilmed copie& of important Soviet' j2smeatz,lowa,i4Ullea,C1.Aoiri 1,7t.T.ashingto . . � e hope, all this because that is precisely what the iSoviet spy network 'did and is probably doing right now in the United States. This is not just tit for tat--butA istark necessityin'the World of cynical pow0politics. L... � Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490,. STAMFORD (Conn.) ADVOCAT Circ.: c.f 23,166 Front E ..it Other Pg . Potle Page � Dato: 4 Is 4 64 's)1:.j Ar , i Money Well Spent 1-7 � ; . There is only one agency In Vasil , ington which does not account-for the.I 1 i money it spends. The Q�Entral Intell0 gence Agency, headed firlATier�W1 ; Dulles, has never reported to Con- ci gress. A special committee, appointed by the President, did make 'a survey of the agency's activities and was ap- parently satisfied that it was efficient. ! So sure,. are the activities of this group that even the amount of money it spends is unknown. Ac- countants have estimated that there is roughly $2 billion in budgets of other departments which is diverted , to the CIA. Naturally enough, Congress worries from time to � time that this money may not be well sent. Last week some news came out of Berlin which should calm such. fears; The Russians discovered that their three main . telephone cables. from East Berlin to points east were tapped. A tunnel from the western zone, con- nected with the tapped lines arid wires, led to sandbags at the zone boundary. The Russians were greatly disturbed. They claim that all mes- sages for several years have peen in- tercepted. They blame this violation of privacy on American Intelligence. Our officials have expressed horror, at the charge. They haven't, they say,' the slightest idea of Where the lines. 'lead or by whom they were laid. The Russians are just old meanies to claim. We wire-tapped. West Berliners are laughing. Good' for American Intelligence, they say: They hope, and so do we, that the,' Russians have only discovered one of several taps. At least, the expose shows that some .of . the . money spent by,CIA�may�have.beell very well spent Indeed.. f � . � " C�$ VAY 121E Approved for Release: 2023/06/28 C01225490 --Approved for Release: 2023/06/28 C01225490 LATIONAL BROADCAoI.LAv t,v1-44-tuu. IJJ to+ CIA MAY HAVE ORD or. WIRETAP TUNNEL --, DREIER.: Alex Dreier at 6:00 P.M. over WMAQ (Chicago) and the NTO Radio Network: "And now under the heading, special report, part one. JICreat-BI,itain-with-ita-frogman-spy-whe-turned-CUt-to-be-not --s-0-211c-OsSiP1 ln-hia-secrctivoness-has-nothing_on,us. We have a tunnel we dug under the communist sector of Berlin and which the reds exposed to the light of day, as you probably know, a short while ago. Well, our NBC correspondent, good friend and colleague, Frank Burkholzer, has investigated the story of the wiretap tunnel and he' says there's just one conclusion -- it's ours. We dug it, we equipped it with electronic equipment to listen in on communist East German conversations for a whole year before they found. us out. "Presumably we should be embarrassed but nobody in Berlin is. In factp.there is a hint of American and West German pride in know- ing that we pulled off an espionage trick on the Reds for a change. Of course, the East Germans are making a good thing of it by con- ducting tours through the tunnel to impress their people with the dastardliness of the American spies, but that may backfire on them because the East Germans are not beyond getting a quiet chuckle at . this outwitting of their communist rulers. "Burkholzer tells us that the United States is stamped all over the listening post tunnel. Now, the tunnel is on the outskirts of town with our end being located under a so-called experimental radar station beside a garbage dump. It runs straight under a plowed field that has white border marking posts above it. The Russians have made three openings for the tourists. One is near the wiretap, another at a point about 150 yards out in the field. When anyone asks an American why there isn't any radar at the experimental radar station, the usual answer, according to Burkholzer, is, we said it was experimental, didn't we? Want to make something of it?" "Naturally the army and the government in Washington aren't going to admit anything unless they have to. No one tells who ordered the eavesdropping tunnel built or who paid for it or who did the listening and the digging. Perhaps it was the work of a local Berlin outfit, just a curious bunch of boys. Or perhaps it was done secretly on orders direct from the Pentagon or the CENTRAL INTELLIGENCE AGENCY. Anyway, it was done well because it wasn't discovered for a year and now the Russians may be wondering how much we learned from recording all the phone talks, possibly includia everything that went through the switchboard of the nearby Soviet airfield. So thanks for the information, Frank Burkholzer, and now we have a question for you. Why don't we open a tourist entrance at our end of the tunnel and cash in on the publicity? Step up, one and all. Only a quarter. See modern eapionage in electronic form and all underground, and who know47 Porloppo you will meet an occasional communist tourist.� rt Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 J.Nraw ITZZALD TRIBUNI3 � PAY 2'7-1956 i . . pi...(2.4il .po.,.q.1..esFlock to See: �,..J. S:, �Wire - Taro Tuniae' . 1 The 500-yard tunnel repre- sents a venture of extraordinary audacity�the stuff of which thriller films are made. If it was dug by American Intelli- gence forces�and that is the. general assumption�it is a striking example of their capacity for daring undertakings. Seldom equipment on the roof. The has an intelligence bUilding�is-Surrounded by barbed organization executed a mere skillful ;and difficult operation than that accomplished by the tunnel's diggers: the tapping of 259 Communist long-distance telephone lines running under- ground in Berlin., The lines ap- amrently included some running to Soviet satellite state in East- stern Europe, as well as Soviet. (Army circuits in Germany. The men who dug the tunnel Obviously labored under two _per- Sriek.Ba-r--ThriveS' major handicaps. They had to The tunnel, discovered by the wbrk very silently to avoid �de- ;Communists a month ago and tection, and they had to haul CC); By Gaston Coblentz Sandbag Barricade Wireless to Hic HeralilTribunci "We have no fault whatsoever 1956, N.Y. Herald Tribune Inc. to find with the technique," one the greatest siehts of the cold) May 2G.�One of attendant said. From the eastern entrance, a 'BERLIN, %/isnot' can walk westward for war Is the "American spy tun- nel" now on exhibition in Xast perhaps 190 yards past the point where tho tunnel CrOnAen under Berlin. the sector border. Then 'a sand- bag barricade is encountered, and a voice calls out "halt" in: German. It is clear that If the visitor; could continue westward past the barricade he would emerge. soon at a .low but prominent American building with radar. A study of the area suggest: no possibility other than that the radar building encloses the western end of the tunnel. Clay Hauled Away wire and guarded constantly byi American soldiers. Signs in Ger. Complex Equipment man warn: "Entry most strictll forbidden." � Beyond the door is a compart- ment seven � feet long housing equipment to maintain certain; levels of temperature and hu- midity. The Communists say, this was necessary to proteet� delicate equipment in the other- wise dwelt and cold tunnel. Finally, there is the complex tapping equipment, all of Ameri- can or British manufacture.. This includes eight racks of' With the tunnel completed there came the job of installing the monitoring equipment. Ap- almeter and with its roof twelve Paren--- tiv this had to be done feet below the surface, from a point 200 yards id of estLthi,..s equipment had the primary was dugi before the Communist lines ;could be tapped, because part of wIttlich would haveverempocr microphone Berlin. the American sector .tictivity by the Communist's at, preventing detection off point 300 yards inside the Rus- Berlin. It runs eastward to a!'asit el ithe phone taps. The mass o ithe point where their lines werei equipment was painstakingly 'tapped. Any activity there wouldV , sian sector. The western en-, !dragged through the tunnel have meant that the tunnel hacil. � trance .lies in a sparsely-popu- i along two wooden rails and have discovered. lated locality called Itudow. p Only the eastern end of thelhoused in a special ninety400t- h en who did the. actual! , long compartment at the eastern tapping must have been among: � , tunnel is open .for visitors. A end of the tunnel. - ithe great experts in the flelcil People's Pollee and a communi- detachment ' of Communist This compartment begins withlTh did . remarkably tidy; cations expert. are on hand to a thick steel door at its western.piec'e of work. entrance. On the door�one. of explain every detail. They readily Th express their admiration for the skill of the project's buildept.; . ..., .,.�......,-- �-�������� �� : . .a thriving business 'near theftrucks brought into the radar . building. Possibly the same ,eastern end of the tunnel, cater;.1 trucks bought in the sections of dng to East, German factorYj ebrrugated iron tubing which ;delegations brought to see the! "pine the tunnel. The Utmost 4, work of ','American imperialists. !secrecy must have been used to . After inspecting the tunne1,1 ,the factory workers record their;avoid stirring up local talk. ,"indignation" in a visitors' book.! The Communists cstinate that !this part of the work took sev- iThe book contains the signa-1 tunes of foreigners on both sidesieral months. - of the Iron Curtain. Even a Sudanese official is, listed,. - The tunnel, six feet in di- 'now the main sightseeing at-etway secretly the thousands of boosters to carry the tapped con- traction in Berlin, can be visited .tons of clay they dug out, since versation back to the western .by making a twenty-minute big pilis of earth near the sector end of the tunnel and also to ;drive from the center of Berlin border would have alerted the help prevent detection of the :to the 'southeast corner of the :Communists. .taps. Apparently the excavated There are three power-control A mobile snack bar is doing.iearth was hauled away in closed Units near two long racks of equipment into which the 259 Communist line lead from three main cables. Here the in- dividual monitoring taps are made. ' Along the 'opposite wall of the tunnel is a row of benches, with ftucrescent lighting over- head: 'The. compartment Is painted tv, battleship gray. ' Considered Great Experts At the very end ofthe eastern compartment there is another steel door. On the eastern side of it Is one more important item, ' '..uwmtinlsts say the in- the tunnel's nicest touches�I. stallation apparently operated written in ,Russian and, Get' for several months before it was' man: ''Entry forbidden by ordertliscovered. There is no explana- of the Commanding General." tion of how it was cletcqed. LJ - Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 ',.. our Eerie Bore ; around mounds of earth exca- i BY JOHN H. THOMPSON . : vthaetedtutnonerleyeal two sections of , iChle3ro Trihune rw, Service; Across the border, Vopos . BERLIN, Yay 28 � Three: ' ions, asserting it held signa- ! tock us to , their' commander, ' ! American' n e w sine n today +-zures of Chinese, Koreans, past men and women waiting ; stood 20 feet underground in British,' 'Americans, . and oath.? to tour the tunnel after watch- . ; the alleged "American spy and asked us to. sigit, ing a communist movie of its er, . tunnel," burrowed 300 yards Just to keep the record discovery. The commander under Berlin's little Iron Cur- straight, in case the .East Ger; examined o u r passports, thin, and peered into the . mans attempt to use Or smiled, 'and led us down a' �, gloom of the American sectos 4' over the shoulders of two kGerman communist tommy � v gunners. � ' . Our hest .in as eerie a set- ,,tiry* as�was ever devised by a 4 b 'mystery- writer, was a jack ' booted officer of the East German communistpolice, the flight of dirt stairs into the statements br propag,we � tunnel. .wrote, in my handwriting: ' , e ' Encased in steel and con- W wish to thank the , ,f erete was the alleged,wire tap volkspolizei very much or 'laboratory," directly under a' being kind enough to show'ms, paved road leading from Ber- the tunnel.", ��, � ; !oiL,A0 lin to the Russian air base at Schoenfeld. The commander,' Vopos," or Volkspolizei. .who declined to � give his . ;." Our tour was the third per'. name, said that 216 telephone � initted Western reporters since , , lines in three big cables were the night of April 21 when Lappeu� the Russian high command Fluescent lightinZ_Illik .: , , here announced 'discovery of eminated a switchboz)rd, banks the tunnel and equipment it of Current boosters, ampli- ' said was used for wire tap- fiers, acid cables. 'All instruc-. ' ping. 1. Since then the "spy tunnel," i so labeled by the Russians and ; East Germans, has been ys ited by incise than 15,000 East ;German worker delegations, !�the Communists said. � . Germans' Admire Feat ; Situated in line with an ex- perimental , American army, 'tons on the equipment were. in English. Some items bore; the labels Of British, or Ameni-1 can manufactureres. ' Reds Man Guns Pumps sent hot and cold water to an air conditioning! unit. Other long ,pipes held! oil or air. The tunnel was! radar station , [the Russians made of bolted sections of cor- say it is a dummy], owner- ship of the tunnel- has -not :been officially admitted by :the American Command, here 'or.in Washington. NV 7,F1: American soldiers in sentry ship of the tunnel has not U i U 11 b , kiLdit,,A1 . boxes watched us, thru field been established, but that in . ' .... glasses as we sauntered to- 'a time of "tension," the right- �' , . r ward the clearly marked com- ness or wrongness depended Let 3 U. S. Reporters. munist border, down a dirt upon , the Side of. the fence road, bordering an open field: ifrom which the operation was * s 1 driven' out to' the'. radar site F.:9 [,-1 ,111' Robert Tuckm,an, Asso- tJ �� Ul � . ! elated Press bureau chief. Barbed wire surrounded the 3v 9i ztation and its permanent I �1hci1/407 611Ji type buildings. '.. I. Watched by Yanks the borders of the Germanj democratic republic?' he asked. Pens a Thank You � Our answer, in halting Ger- man, explainea that owner- We could se knots of Vopos rugated steel, lined on the; .sides with sandbags. ' Walking back, 300 yards, we reached the east-west border.I Therei'behind sandbags twol West Berliners are con- young Vopos crouched with' e vinced the Americans built their guns and a powerful . ,. the tunnel, 'equipped it. with:searchlight, aimed up the tun-'; �l expensive apparatus, and then under the American' sec,' , ne tor. 'listened in on Red army tel-1 _* .ephone conversations since' Outside again, the rCom-1 the summer of 1954. � I mander. asked us what would To them, it was, an the' reaction in the United. astound-I be. ing feat, which has greatly' States if the Canadians or Mex.' '' S � ,enhan ican drove .such a "spy eed American prestige.; about it. The boldness of burrowing tunnel es' , under our borders. under th Russian noses, and We. said the Americans would 'e' '? ; . or wrong for , its ,*.technical accomplishment, be � "unhappys :have captured the imaginatien "I it right of. many Germans. Aniericans to do this �under. . .������-�r" No one expected' h sight of the tunnel ,today when Wai-, ... � � viewed. He showed us a book in which tunnel � visitors were asked to inscribe 'their' opin- Chicago Trill-me MaY 55 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490, SE APPENDIX D NOTE: This analysis was prepared by the PBJOINTLY SIIT1 as part of the wrap-up of the operation. ROUND-UP OF EAST GERMAN PRESS REACTION TO THE DISCOVERY OF THE WIRETAP TUNNEL AT THE BERLIN SECTOR BORDER (Sources as Indicated) The following is an analysis of the East German press reaction to the discovery of the wiretap tunnel at the sector border between West and East Berlin. During the period under, review - 24 to 26 April 1956 - a total of 31 dailies per day and four weeklies were available for scrutiny; however, only the dailies reported and commented on the incident. Mostly concerned with reporting and commenting on the incident were the East Berlin papers which, in some instances, devoted full pages of their local sections to reports and pic- tures on the tunnel in addition to their front-page or second- page accounts of developments. The provincial press gave front- page treatment to the matter only in few instances, generally refrained from large articles or commentaries, and often carried pictorial material with only brief explanations. The least coverage was noted in the provincial press of other Approved for Release: 2023/06/28 C01225490 pproved for Release: 2023/06/28 C01225490. G r 1 than SED (Sozialistische Einheitspartei Deutschlands - Communist Party Germany) affiliation; none of these papers published any commentary, or any cartoon of their own, on the subject up to 26 April, in fact. Describing the tunnel as inspected by the journalists after the Soviet press conference, the papers pointed out that the installation was well designed and constructed, that the installation was costly and equivalent to a modern tele- phone exchange, and that the material - of British and Ameri- can origin - used in the installation was of such quality as to guarantee long service. The East Berlin papers, which were leading in the reports on the issue, treated the matter as a "bitterly serious inci- dent" which represents an "international scandal" and a "breach of the norms of international law." The papers, in their commentaries, addressed the West Berlin Senat, demand- ing an all-Berlin understanding and stressing the necessity for united action, and insinuated that Berlin is being kept divided merely for the purpose of providing the espionage centers in West Berlin with a base for launching provocations against the GDR. Other commentaries by central and provincial papers contained calls for vigilance and for defense prepared- ness. Only one paper printed an editorial on the incident. In commenting on the incident the press did not draw a line 2 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 between the different developments, such as the press confer- ence, the Soviet protest, the GDR Government protest, etc., but, as a rule, the commentaries dealt with the incident as a whole. Later, when the first reaction of the West Berlin press was available, the central press swooped down upon the West Berlin press for attempting to belittle the incident and to divert attention from the "seriousness of the matter." The few caricatures published by the papers were designed to slander the Americans. Day by, Day Reaction 24 April 1956 On 24 April 1956 six East Berlin papers printed the ADN (Allegemeines Deutsches Nachrichten Bureau - General German News Office) release of individual reports on the Soviet press conference, reported on the inspection of the tunnel by the journalists, and carried excerpts from General Zarenko's letter of protest (1 - 6). DER MORGEN and BERLINER ZEITUNG (5 and 6) printed only the abbreviated version of the ADN release. Six provincial SED papers (7 - 12) carried announcements of the discovery, brief reports on the press conference, and merely an announcement to the effect that a letter of protest has been sent to the American Chief of Staff. Only NEUER TAG, Frankfurt/Oder, printed the long version of the ADN release(12). 3 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 Provincial papers of other party affiliations carried no reports. 25 April 1956 On 25 April 22 provincial papers came out with the ADN version of the report on the discovery of the tunnel (13 - 34); the six provincial SED papers which had carried a brief announce- ment the day before followed up their reports by more extensive accounts of the press conference, the letter of protest, and the inspection of the tunnel (13 - 18). Papers of other party affiliations joined in the reporting campaign on this day. Only MAERKISCHE VOLKSSTIMME, of all provincial papers, published an "eye-witness" report containing a description of the tunnel and quoting individuals who had voiced their "outrage at such a thing" which produces new material for conflicts in foreign' policy (16). SCHWERINER VOLKSZEITUNG, which printed the long version of the ADN release, reproduced the first picture of the tunnel (22). Meanwhile the central press, in addition to supplementary ireports on the discovery of the tunpel, descriptions of the tunnel, and pictorial material showing sections of the tunnel such as the amplifier station, etc., came out with the first commentaries. A total of five commentaries appeared on this day. The press treated the matter as a "bitterly serious affair" which represents an "international scandal" and a 4 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 , "breach of the norms of international law," pointing out that the United States violated the Buenos Aires Treaty on Telecom- munications on the one hand and the GDR's sovereignty on the other hand (35 - 39). NEUES DEUTSdhLAND spoke of a new, hitherto unsurpassed "gangster act" of the U.S. secret service (35), NATIONAL ZEITUNG termed the incident as a "sensational international scandal" (36), NEUE ZEIT stressed that there no word "strong enough to brand such wickedness" (38), and JUNGE WELT declared that "this had to happen just to those who always babble about Communist infiltration but can never prove it" (39). All commentaries were addressed to the West Berlin Senat, demanding an all-Berlin understanding for the purpose of discontinuing the "stubborn adherence to NATO policy," achieving the withdrawal of the "cold war experts of all shades," dissolving the espionage centers in the "frontier city," and achieving a "normalization in the situation in Berlin." Three papers reported on a meeting held by the National Front at Alt-Glienicke, at which the population adopted a resolution protesting against this "provocation." Franz Fischer, First Secretary of the Kreis Treptow SED Executive Board, was reported to have said at the meeting that the people of West Germany and West Berlin have to pay for this installation through the occupation costs and to have termed the tunnel as "an appendix of the cold war" (38, 40, and 41). 5 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490. TRIBUENE, moreover, referred to a report by the HAMBURGER ANZEIGER to underscore the fact that the installations in the tunnel were not of provisional nature but designed for long service (40). DER MORGEN, describing the tunnel, added that West German correspondents who inspected the tunnel noted with satisfaction the declaration of the Soviet Lieutenant Colonel that "quite obviously, German quarters have no part in this" (41), while NATIONAL ZEITUNG briefly referred to an announce- ment made at the Alt-Glienicke meeting to the effect that the tunnel was open for public inspection (36). NEUES DEUTSCHLAND reproduced the first carthature on the issue. The cartoon showed a garden which is divided into two parts by a sign indicating the "Democratic Sector" - full of flowers, and the opposite side - a barren piece of land with a molehill topped by a flag lith the dollar sign. A strong arm is pulling out of a hole in the Democratic Sector a mole wearing "U.S."-marked earphones, some sort of Army trousers with plugs and pliers showing from the pocket, and a U.S. Army cap bearing the legend "Espionage." The cartoon is captioned, "Do Not Burrow in Other People's Yards" (35). 26 April 1956 On 26 April 27 papers continued reporting on the issue (42 - 68). In 17 instances the reports were supplemented with pictures as outlined above. A total of 15 papers 6 S.. _3...S....frt.-- Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490� printed the text of, or large excerpts from, the press release on the GDR Government protest (42 - 56). Six papers reported on the inspection of the tunnel by the population, the press, and representatives of the diplomatic corps (42, 49, 59, 60, 65, and 67). Four papers referred to a report carried by the West Berlin TAGESSPIEGEL according to which Western journalists were prohibited from inspecting the mouth of the tunnel on the Western side (42, 43, 51, and 58), and four papers referred to FRANKFURTER ALLGEMEINE which had spoken of an "eloquent silence" about the affair on the part of the Americans (42, 51, 55, and 58). A total of four papers reported on the Alt- Glienicke meeting (51, 60, 61, and 67). NEUES DEUTSCHLAND gave excerpts from Fisher's speech, quoting him to the effect that the people of West Berlin, in particular the SPD members, will be invited to inspect the tunnel (51). Three papers re- produced caricatures (51, 52, and 56), six papers carried:, commentaries (51, 52, 53, 54, 57, and 58), and one paper came out with an editorial (55). Three East Berlin papers, through their commentaries, swooped down upon the West Berlin press for its attitude toward the incident. NEUES DEUTSCHLAND accused the West Berlin papers of attempting to belittle the incident and of lauding the efficiency of the American "goblins," adding that the West Berlin press is thus making vain attempts to divert attention from the seriousness of the matter (51). 7 Approved for Release: 2023/06/28 C01225490 --Approved for Release: 2023/06/28 C01225490 SE JUNGE WELT lashed out at the West Berlin DER TAG, saying that, by its opinion, the West Berlin paper manifests its total loss of any sense of decency.. Besides, DER TAG is not in the least disturbed about the violation also of West Berlin's territory (52). NATIONAL ZEITUNG held that DER TAG now admitted what it has been denying at all times, namely that West Berlin is a de facto part of NATO, adding that DER TAG now regards as "customary" the military espionage of the United States on GDR territory in addition to the "customary frontier-city policy," the "customary" partition, and the "customary" diversionist activities of the KGU and other underworld organizations. The paper stressed that all Berliners fully agree with the FRANKFURTER ALLGEMEINE which said that the people must demand the discontinuation of "such things" (58). NEUE ZEIT, carrying the only editorial, said that the wire- tapping post is a feature of West Berlin's misuse as a NATO base. The paper emphasized that GDR policy will continue to serve all-German understanding and relaxation of international tensions. "But it must be kept in mind that the success of this policy will not only depend on the volume of the appeal for peace but also on our preparedness to defend our homeland as well as on our vigilance regarding the prevention of dan- gers resulting from the fact that one part of Berlin has be- come a frontier city against peace," the paper added. "What 8 I Approved for Release: 2023/06/28 C01225490 -Approved for Release: 2023/06/28 C01225490 we need are contact points above the ground and in full light, namely all-German talks, and not underground trenches in the cold war" (55). The first commentaries carried by provincial papers dealt with the incident as an example of proof for East German press reports on hostile espionage. VOLKSSTIMME, Karl-Marx-Stadt, pointed out that the tunnel 'represents "a document" which is quite apt to dispel all doubts of those who have hitherto been inclined to regard East German press reports about the underground activities of Western espionage services as "exaggerated" (57). MAERKISCHE VOLKSSTIMME quoted several workers who voiced their indignation over "such a vileness" which makes German unity more difficult to demonstrate that the "Western side" is just as quiet about this "unpleasant affair" as the population is outraged (53). And LEIPZIGER VOLKSZEITUNG stressed that anyone reading about the discovery of the tunnel will inevitably weigh the Soviet attempts at maintaining peace against the efforts made by the U.S. espio- nage service, adding that this "breach of international law" also places the West Berlin administration "in a peculiar light." The paper reminded its readers that war preparation, which "formerly marched on Prussian Army boots," is now marching on "American rubber soles, chewing gum, and tapping telephone lines" (54). , 9 Approved for Release: 2023/06/28 C01225490 Approved for Release: 2023/06/28 C01225490 NEUES DEUTSCHLAND's caricature showed an American soldier try- ing in vain to "milk" a disconnected, oversized telephone re- ceiver into a bucket marked "CIC" while another soldier is thoughtfully standing by (51). JUNGE WELT reproduced a car- toon showing a mole wearing a U.S. Army cap on its head and a telephone receiver on its back halting before a sign which warns that "spies are now facing danger." The cartoon is captioned, "The Underworld that Shuns the Light," and foot- noted, "Damned, we did not put up that sign" (52). FREIES WORT showed rats wearing U.S. Army caps being disturbed by a Russian soldier in the operation of what looks like a communication center. Two rats are shown facing the soldier in surprise, another standing with arms raised, and still another escaping through an opening in the wall. The caricature is entitled, "Unpleasant Surprise," and footnoted, "It is an Effrontery of the Russians to Disturb Us in Our ,(Burrowing) Work" (56). 10. Approved for Release: 2023/06/28 C01225490 ----Approved for Release: 2023/06/28 C01225490 � SOURCES 1956 1. NEUES DEUTSCHLAND 24 Apr 2. NEUE ZEIT 24 Apr 3. TRIBUENE 24 Apr 4. NATIONAL ZEITUNG 24 Apr 5. DER MORGEN 24 Apr 6. BERLINER ZEITUNG 24 Apr 7. FREIHEIT 24 Apr 8. SAECHSISCHE ZEITUNG 24 Apr 9. VOLKSSTIMME, Karl-Marx-Stadt 24 Apr 10. MAERKISCHE VOLKSSTIMME 24 Apr 11. LEIPZIGER VOLKSZEITUNG 24 Apr 12. NEUER TAG 24 Apr 13, FREIHEIT 25 Apr 14, SAECHSISCHE ZEITUNG 25 Apr 15. VOLKSSTIMME, Karl-Marx-Stadt 25 Apr 16. MAERKISCHE VOLKSSTIMME 25 Apr 17. LEIPZIGER VOLKSZEITUNG 25 Apr 18. NEUER TAG 25 Apr 19. LAUSITZER RUNDSCHAU 25 Apr 20. VOLKSSTIMME, Magdeburg 25 Apr 21, DAS VOLK, Erfurt 25 Apr 22. SCHWERINER VOLKSZEITUNG 25 Apr 23. FREIE ERDE 25 Apr 24. OSTSEE ZEITUNG 25 Apr 25. VOLKSWACHT 25 Apr 26. FREIES WORT 25 Apr 27. SAECHSICHES TAGEBLATT 25 Apr 28. DIE UNION 25 Apr 29, NORDDEUTSCHE NEUESTE NACHRICHTEN 25 Apr 30. MAERKISCHE UNION 25 Apr 31. BRANDENBURGISCHE NEUESTE NABBR. 25 Apr 32. BAUERN ECHO 25 Apr 33. DER NEUE WEG 25 Apr 34. LIBERAL DEMOKRATISCHE ZEITUNG 25 Apr 35. NEUES DEUTSCHLAND 25 Apr 36. NATIONAL ZEITUNG 25 Apr 37, BERLINER ZEITUNG 25 Apr 38. NEUE ZEIT 25 Apr 39. JUNGE WELT 25 Apr 40. TRIBUENE 25 Apr 41, DER MORGEN 25 Apr 11 Approved for Release: 2023/06/28 C01225490 --------Approved for Release: 2023/06/28 C01225490 42. 43. 44. 45. 46, 47. 48. S E BERLINER ZEITUNG SAECHSISCHE ZEITUNG DAS VOLK, Erfurt NEUER TAG FREIHEIT DER MORGEN TRIBUENE 1956 26 26 26 26 26 26 26 Apr Apr Apr Apr Apr Apr Apr 49. BAUERN ECHO 26 Apr 50. DER NEUE WEG 26 Apr 51. NEUES DEUTSCHLAND 26 Apr 52. JUNGE WELT 26 Apr 53. MAERKISCHE VOLKSSTIMME 26 Apr 54. LEIPZIGER VOLKSZEITUNG 26 Apr 55. NEUE ZEIT 26 Apr 56. FREIES WORT 26 Apr 57. VOLKSSTIMME, Karl-Marx-Stadt 26 Apr 58. NATIONAL ZEITUNG 26 Apr 59. VOLKSSTIMME, Magdeburg 26 Apr 60. MAERKISCHE UNION 26 Apr 61. FREIE ERDE 26 Apr 62. LEIPZIGER VOLKSZEITUNG 26 Apr 63. VOLKSWACHT 26 Apr 64. SAECHSISCHES TAGEBLATT 26 Apr 65. OSTSEE ZEITUNG 26 Apr 66. LAUSITZER RUNDSCHAU 26 Apr 67. DIE UNION 26 Apr 68. SCHWERINER VOLKSZEITUNG 26 Apr 12 Approved for Release: 2023/06/28 C01225490