INCREASED INFILTRATION ACTIVITY SE BANG HIENG (RIVER) VALLEY LAOS

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80T01471R001400120001-4
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: April 2, 2009
• Sequence Number: 1
• Publication Date: February 3, 1966
• Content Type: REPORT

Approved For Release 2009/04/02 CIA-RDP80T01471 R001400120001-4
25X1
NPIC/CSD 51/66 25X1
3 FEBRUARY 1966
PAGES
PAGE / OFD/
COPY
Declassification Review
INCREASED INFILTRATION ACTIVITY N GA/Do D
SE BANG HIENG (RIVER) VALLEY, LAOS
(SEE NPIC BRIEFING BOARD K-6760 FOR COMPARISON)
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS AN INCREASE IN INFILTRATION ACTIVITY
ALONG THE LAOS/NORTH VIETNAM/SOUTH VIETNAM BORDER.
2. REMARKS:
PHOTOGRAPHY OF REVEALED AN INFILTRATION TRAIL 25X1
IN THE VALLEY OF THE SE BANG HIENG. THIS TRAIL ACTIVITY (GENERALLY
PARALLELING AN EXISTING FOOT TRAIL) EXTENDED FROM THE TERMINUS OF
NORTH VIETNAM ROUTE 103, THROUGH THE DEMILITARIZED ZONE, TO SEPONE,
LAOS.
3. MISSION READOUT:
REVEALS INCREASED 25X1
INFILTRATION ACTIVITY IN THE SE BANG HIENG VALLEY, APPROXIMATELY
TWENTY NM NORTHEAST OF SEPONE, CONSISTING OF NEW BRIDGES, CAMPS,
WATER-BORNE INFILTRATION, AND GENERAL IMPROVEMENTS TO THE INFILTRATION
TRAIL:
A. WATER-BORNE INFILTRATION LOCATED 4.7 NM WEST OF BAN TRIM
ALONG THE SE BANG HIENG AT 1653N 10626E CONSISTS OF AT LEAST THIRTEEN
CANOES (NOT ALL SHOWN ON GRAPHIC) SIMILAR IN SIZE AND SHAPE TO
SUSPECT INSURGENT CANOES ON THE SE KONG (RIVER), LAOS, DEPICTED ON
NPIC BRIEFING BOARD K-0386.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work.
Their use should be restricted to the particular briefing board(s) they were prepared for and must be considered valid
only for the reporting period as indicated by the date of issue.
25X1
GPOUP 0~~D~U ~M~~1nl
Ettcladed from antomatic
downgrading and 25X1
deciassificatioa
Approved For Release 2009/04/02 : CIA-RDP80T01471 R001400120001-4
 nnRn[FnnrFRnhrn n n
Approved For Release 2009/04/02 : CIA-RDP80T01471 R001400120001-4
1
K-7206
NPIC/CSD 51/66
3 FEBRUARY 1966
PAGE
B. A SUSPECT REST AREA LOCATED FOUR NM WEST OF BAN TRIM AT
1654N 10627E CONSISTS OF TWO PARTIALLY CAMOUFLAGED HUTS IMMEDIATELY
ADJACENT TO THE INFILTRATION TRAIL. A FOOTBRIDGE, APPROXIMATELY
IS OBSERVED NEARBY. A BOMB CRATER ON THE TRAIL HAS
C. A SUSPECT BIVOUAC AREA LOCATED 3.8 NM WEST-SOUTHWEST OF
BAN TRIM AT 1653N 10628E CONSISTS OF A LONG TRENCH AND AT LEAST
TWENTY PROBABLE PERSONNEL. TREE CANOPY PRECLUDES FURTHER INTER-
PRETATION.
D. A SUSPECT INSURGENT CAMP LOCATED 2.1 NM WEST-SOUTHWEST OF
BAN TRIM AT 1653N 10629E CONSISTS OF AT LEAST SIX DISPERSED HUTS/
BUILDINGS OBSERVED THROUGH HEAVY TREE CANOPY.
E. A NEW FORD OVER THE HOUEI CO BAI (RIVER) IS LOCATED
IMMEDIATELY WEST OF BAN TRIM AT 1653N 10631E.
F. A FORTIFIED VILLAGE LOCATED 1.8 NM WEST-SOUTHWEST OF BAN
TRIM AT 1652N 10629E CONSISTS OF FIFTEEN BUILDINGS DEFENDED BY A
TRENCH AND FIRING POSITIONS.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work.
Their use should be restricted to the particular briefing board(s) they were prepared for and must be considered valid
only for the reporting period as indicated by the date of issue.
Approved For Release 2009/04/02 : CIA-RDP80T01471 R001400120001-4
 Approved For Release 2009/04/02 : CIA-RDP80T01471 R001400120001-4
-"um n rnuIUbMPn4iMIMM 1NIIUtl Ut01tM
INCREASED INFILTRATION ACTIVITY
SE BANG HIENG (RIVER) VALLEY, LAOS
25X1
LJ/\ I
INPIC K-7206 12/66)
Approved For Release 2009/04/02 : CIA-RDP80T01471 R001400120001-4