(UNTITLED)

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80-00810A002100170004-5
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 1
• Document Creation Date: January 12, 2017
• Sequence Number: 4
• Content Type: REPORT

Approved For Release 2006/10/17: CIA-RDP80-0081 OA002100170004-5 F-j- Z) J /
CENTRAL INTELLIGENCE AGENCY
INFORMATION REPORT
CONFIDENTIAL?
SECURITY INFORMATION
COUNTRY Korea
NO. OF PAGES
REQUIREMENT NO. RD
REFERENCES
SUBJECT North Korean Army Troops on Mayang-do DATE DISTR. I0 A at', -1953
25X1 DATE OF INFO.
1. In mid-Ma 1 North Korean army troops were at the following locations 'on
Mayang-do
a. At Hill 143 one platoon of the 578 North Korean Army Unit.l
b. Troops in tunnel, built in zig-zag construction.
The tunnel a so contained a 122-mm, howitzer, M1938; billets for troops,
and a ration dump.
a.. I Troops in S-shaped tunnel. Tunnel also contained
a 122mm., howitzer , 122-mm. ammunition, and heavy machine guns.
At Hill 179 one platoon of the 578 North Korean Army Unit.
2. There was a trench, 1.2 meters deep and one meter wide, along the shore of
Mayang-do. This primary defense system was manned by one squad at every 500
meters. A secondary defensive trench system was 70 meters in the rear of the
first. All the troops on the island were part of the 578 North Korean Army
Unit and they were commanded by a lieutenant colonel. The soldiers were armed
with PPSh's or with 7.62.-mm., M1891/30, Mossin-Nagant rifles.
Construction of the Mayang-do defense system started in January 1953 and
continued through March 1953. Labor was performed by 18 to 28 year old men
and w=qn members of the Democratic Youth League from the area between
25X1
25X1
Hungnam and Ch' ongj in
This Document contains information affecting the Na
tione.l Defense of the United States, within the mean-
ing of Title 18, Sections 793 and 794, of the U.S. Code. as
amended. Its transmission or revelation of its contents
to or receipt by an unauthorized person is prohibited
by law. The reproduction of this form is prohibited.
REPORT NO. II 25X1
0*1
1. Comm. According to
a 578 Army Unit has been reported as an unidentified unit
attache o he North Korean 25 Brigade.
CONFIDENTIAL
Approved For Release 2006/10/17: CIA-RDP80-0081OA002100170004-5