COASTAL DEFENSE ARTILLERY SITE XUAN VIEN, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79-00849A000700030014-9
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 4
• Document Creation Date: December 28, 2016
• Document Release Date: March 9, 2006
• Sequence Number: 14
• Publication Date: March 1, 1967
• Content Type: REPORT

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Approvedtor Release 2006/03/16 : CIA-RDF 9-C1C1>3'R WJJN0O30014-9
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
REFERENCE: I ATTACHMENT TO L-2763
01 MARCH 1967
PAGE 1
COASTAL DEFENSE ARTILLERY SITE
XUAN VIEN, NORTH VIETNAM
1857N 10532E
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS A NEWLY IDENTIFIED, OCCUPIED COASTAL
DEFENSE ARTILLERY SITE IN NORTH VIETNAM.
2. LOCATION:
THE SITE IS LOCATED AT XUAN VIEN AT 18-57-ION 105-32-46E (UTM
WF575955), 3.7 NM SOUTHWEST OF YEN LANG AND4.4 NM INLAND FROM THE
COAST.
3. REMARKS:
PHOTOGRAPHY HAS REVEALED SEVERAL COASTAL DEFENSE ARTILLERY SITES
ALONG THIS SEGMENT OF THE NORTH VIETNAM COAST. THE NUMBER OF PREVIOUSLY
IDENTIFIED SITES, TOGETHER WITH THE CONTINUOUS CONSTRUCTION ACTIVITY
ON NEW SITES, INDICATE THAT THE NORTH VIETNAMESE ARE STRENGTHENING
THEIR COASTAL DEFENSE CAPABILITY IN THE AREA.
4. MISSION READOUT:
CIRCULAR REVETTED POSITIONS OCCUPIED BY ARTILLERY PIECES (PROBABLY
130MM FIELD PIECES) WITH PERSONNEL AND AMMUNITION BUNKERS, ONE REVETTED
CONTROL BUNKER, ONE REVETTED STORAGE BUILDING, AND A TRENCH SYSTEM.
THE AREA IS SERVED BY A NATURAL SURFACE ROAD.
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 re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
GROUP I
I...... E.. IN...'d...... ...
CONFIDENTIAL
 Approve.For Release 2006/03/16: CIA-R9Wi+9FOD8KR400030014-9
ATTACHMENT TO L-2763
of MARCH 1967
PAGE L,,,
5. COLLATERAL:
THE 130MM FIELD GUN IS A MODERN DESIGN PIECE, BASED ON THE SOVIET
WITH A TOTAL GUN LENGTH OF~N TRAVEL POSITION. THE ELEVATION
RANGES FROM - 2.5 DEGREES TO + 45 DEGREES WITH A TOTAL TRAVERSE OF 50
DEGREES. THE MAXIMUM HORIZONTAL RANGE IS 27,000 METERS AND THE MAXIMUM
RATE OF FIRE IS SEVEN TO EIGHT ROUNDS PER MINUTE.
NAVAL GUN OF THE SAME CALIBER. THE GUN TUBE IS
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 re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
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 n e c763TMe tNATKINAL PNRTUGAPIRC NIIERPEETATTNI CENTER
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or Release 20DbTLIA-RPP79-%M0 U%T94OTd-9 SITE
XUAN VIEN, NORTH VIETNAM
18-57N 105-32E
~- OCCUPIED COASTAL OFFENSE II 1x11fLLERY PCSmox
 Approved For Release 2006/03/16 : CIA-RDP79-00849A000700030014-9