POST-STRIKE,(Sanitized) IRON AND STEEL COMBINE THAI NGUYEN, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79-00849A000800040007-5
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 6
• Document Creation Date: December 28, 2016
• Document Release Date: March 6, 2006
• Sequence Number: 7
• Publication Date: May 10, 1967
• Content Type: REPORT

Approved For Release 2006/03/16 :CIA- 007-5
NATIONAL PHOTOGRAPHIC INTFRPRFTeTin~i r~.ir c~
r.11ri~.rll~iCilu'1' '1'U L- j115
10 MAY 1867
PAGE 1
1. SIGNIFICANCE:
THIS BRIEFING BOARD DEPICTS STRIKE DAMAGE RESULTING FROM THE AIR
STRIKES OF 30 MARCH THROUGH 18 APRIL 1867 AGAINST THE THAI NGUYEN IRON
AND STEEL COMBINE AND PROVIDES A CUMULATIVE DAMAGE ASSESSMENT FOR ALL
OF THE AIR STRIKES THROUGH lg APRIL 1967.
2. LOCATION:
THE IRON AND STEEL COMBINE IS LOCATED APPROXIMATELY THREE NM
SOUPH-SOUTHEAST OF THAI NGUYEN.
3? STRIKE DATA:
STRIKE DATA REPORTS THAT THE FIRST AIR STRIKES (10, 11, 18, 21,
THE THAI NGUYEN IRON AND STEEL COMBINE
AND USN A-6'S WHICH EXPENDED A TOTAL
SIXTY-TWO 500-POUND, THREE HUNDRED AND
EIGHTY-THREE 750-POUND, ONE HUNDRED AND FIFTY-FIVE 1000-POUND AND SIX
2000-POUND GENERAL PURPOSE BOMBS AGAINST THE TARGET.
ADDITIONAL STRIKES AGAINST THIS INSTALLATION WERE CARRIED OUT ON
30 MARCH, 7, g, AND 18 APRIL 1867 WITH A TOTAL EXPENDED ORDNANCE OF
SIXTY-TWO 500-POUND, ONE HUNDRED AND SIXTY-NISdE 750-POUND AND TWENTY-
TWO 1000-POUND BOMBS.
SINCE THIS DATE SEVERAL ADDITIONAL STRIKES HAVE BEEN EFFECTED
AGAINST THIS COMPLEX,
se 2006/03/16 :CIA-RDP79-00849A000800040007-5
CFfRFT
25, AND 26 MARCH 1867) AGAINST
WERE CONDUCTED BY USAF F-105'S
ORDNANCE OF SIXTY-FOUR CBU-24,
 Approved For Release 2006/03/16 : CIA 040007-5
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
I ATTACFIMIIVT TO L-3115
10 MAY 1867
PAGE 2
THE THAI NGUYEN RAILROAD STATION YARDS AND SHOPS
HAD BEEN STRUCK PREVIOUSLY IN APRIL AND MAY OF 1866.
4. MISSION READOUT:
POST-STRIKE PHOTOGRAPHY
REVEALS THE FOLLOWING NEW DAMAGE TO THE THAI NGUYEN IRON AND STEEL
COMBINE:
A. IN THE BLAST FURNACE AREA, CRATERS ARE OBSERVED IMMEDIATELY
ADJACENT TO AND SOUTH OF THE CENTER AND EASTERN CASTING SHEDS, DAMAGING
THE AIR PIPES BETWEEN THE EASTERN BLAST FURNACE AND THE PRECIPITATORS.
NO DAMAGE IS OBSERVED TO THE CASTING SHEDS OR TO THE BLAST FURNACES,
ALTHOUGH THE PROXIMITY OF THE EXPLOSIONS COULD POSSIBLE HAVE CAUSED
DAMAGE TO THESE UNITS.
THE STOCK TRESTLE BUILDING IS DAMAGED IN THREE AREAS. THE NORTH-
EAST CORNER OF THE BUILDING AND AN AREA NORTH OF THE EAST SKIP HOIST
HAVE SUSTAINED LIGHT TO MODERATE DAMAGE. A PORTION OF THE ROOF OF
THE STOCK TRESTLE, OPPOSITE THE WESTERN BLAST FURNACE, IS REMOVED.
THE EAST AND WEST WALLS OF THE SETTLING PONDS SOUTH OF THE BLAST
FURNACES ARE DAMAGED.
A MULTISTORY SUPPORT BUILDING SOUTH OF THE WESTERN BLAST FURNACE,
SUPERFICIALLY DAMAGED BY PREVIOUS STRIKES, IS NOW SEVERELY DAMAGED.
THE EASTERN HALF OF A SECOND SUPPORT BUILDING HAS SUSTAINED SEVERE
STRUCTURAL DAMAGE.
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.
Approved F E 2006iU?~'/t3~eY,i~rB13~ 9~61t49~4BBB8BB0~BBB~zS
 Approved For Release 2006/03/16 :CIA- DP79-00849A0008000 007-5
(c) NATIONAL PH TION CENTER
REFERENCE: ATTACHMIIVT TO L-3115
10 MAY 1967
PAGE 3
B. AN AREA NEAR THE EAST END OF THE COKE OVENS IS CRATERED WITH
DAMAGE TO A STRUCTURE JUST SOUTH OF THE QUENCHING TOWER AND TO ANOTHER
STRUCTURE NORTH OF THE QUENCHING TOWER, ADDITIONAL DAMAGE IS OBSERVED
TO THE COVERED CONVEYOR BETWEEN THE COKE OVENS AND THE STOCK TRESTLE.
C, IN THE COKE BY-PRODUCTS AREA, THE COVERED CONVEYOR BETWEEN
THIS AREA AND THE COKE OVEN COOLING TOWER IS DAMAGED AND INOPERABLE,
D. THE BOILER HOUSE OF THE STEAM PLANT HAS SUSTAINED SEVERE
DAMAGE WITH PROBABLE INTERNAL DAMAGE TO THE BUILDING AND EQUIIMENT.
THIS COMPONENT IS PROBABLY INOPERABLE.
E. SEVERE DAMAGE IS OBSERVED TO A SMALL SUPPORT BUILDING AT THE
EASTERN END OF THE COAL~ORE STORAGE AREA,
F. AT THE EAST END OF THE FABRICATION~FOUNDRY AREA THERE IS
SEVERE DAMAGE TO A SMALL SUPPORT BUILDING.
G. IN THE LOCOMOTIVE AND CAR REPAIR SHOP AREA, THE EASTERN
MONITOR-ROOF BUILDING IS SEVERELY DAMAGED,
THE FOLLOWING IS A CUMULATIVE BOMB DAMAGE ASSESSMENT BY FUNCTIONAL
AREA FOR ALL OF THE AIR STRIKES THROUGH 19 APRIL 1967:
A, BLAST FURNACE AREA: THE STOCK TRESTLE HAS SUSTAINED LIGHT TO
MODERATE STRUCTURAL DAMAGE, TWO CASTING SHEDS ARE POSSIBLY DAMAGED,
THE AIR AND STEAM PIPING AND THE SETTLING POND ARE DAMAGED, TWO SUPPORT
BUILDINGS ARE SEVERELY DAMAGED AND TWO SUPPORT BUILDINGS ARE DESTROYED,
B. SINTERING PLANT AREA: TWO SUPPORT BUILDINGS AND THE WESTERN
These notes have been prepared for briefing purposes only and should not be used for detailed analyt?al work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must he 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.
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 SECRET
X1 Approved For Release 2006/03/16 :CIA- 00040007-5
(c) NATIONAL PH ETATION CENTER
ATTACHMENT TO L-3115
Io MAY 1967
PAGE 4
EXTENSION OF THE ORE PROCESSING BUILDING ARE DAMAGED.
C. COKE OVEN AREA: CRATERING IS OBSERVED ON THE EASTERN EDGE
OF THE AREA AND TWO SUPPORT STRUCTURES ARE PROBABLY DAMAGED.
D. COKE BY-PRODUCTS PLANT: FOUR SUPPORT BUILDINGS ARE DESTROYED,
TWO SUPPORT BUILDINGS ARE DAMAGED, AND THE CONVEYOR SYSTEM IS SEVERELY
DAMAGED,
E. OPEN HEARTH FURNACE AREA: THE OPEN HEARTH FURNACE BUILDING
HAS SUSTAINED STRUCTURAL DAMAGE AND AN APPENDAGE TO THE BUILDING IS
DESTROYED. ONE SUPPORT BUILDING IN THE AREA IS DAMAGED.
F. STEAM PLANT: THE BOILER HOUSE IS SEVERELY DAMAGED AND FIVE
SUPPORT BUILDINGS ARE SEVERELY DAMAGED OR DESTROYED.
G. ROLLING MILL UNDER CONSTRUCTION: THE ROLLING MILL IS SEVERELY
DAMAGED, FIVE SUPPORT BUILDINGS IN THE AREA ARE DAMAGED AND ONE SUPPORT
BUILDING IS DESTROYED.
H. COMPRESSOR BUILDING AREA: THERE IS SLIGHT STRUCTURAL DAMAGE
TO THE COMPRESSOR BUILDING AND TWO SUPPORT BUILDINGS ARE DAMAGED.
I. LOCOMOTIVE AND CAR REPAIR SHOPS: THE EASTERNMOST BUILDING HAS
SUSTAINED SEVERE STRUCTURAL DAMAGE.
J. FIRE BRICK PLANT: THE FIRE BRICK BUILDING HAS SUSTAINED SEVERE
STRUCTURAL DAMAGE AND TWO SUPPORT BUILDINGS ARE DAMAGED.
K. FABRICATION~FOUNDRY AREA: THREE FABRICATION BUILDINGS ARE
DAMAGED. TWO SUPPORT BUILDINGS ARE DAMAGED.
These notes have been prepared for briefing purposes only and should not he 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 SuDVOrt
Division, NPIC.
X1
 X1 Approved For Release 2006/03/16 : CIA 40007-5
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
X1 REFERENCE: ATTACHMENT TO L-3115
10 MAY 1967
PAGE 5
FOR INFORMATION CONCERNING PREVIOUS AIR STRIKES AGAINST THIS
INSTALLATION AS WELL AS FOR ADDITIONAL BACKGROUND INFORMATIONS SEE
NPIC BRIEFING BOARDS L-3056, L-3o6o, L-3080, AND L-3107.
These notes have been prepared for briefing purposes only and should not be used for delalled analytical work. Their use
should be reshicted to the particular briefing boar (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
Nivision, NPIC.
L. ADMINISTRATIVE AREA: ONE ADMINISTRATION BUILDING HAS SUSTAINED
STRUCTURAL DAMAGE AND THREE SUPPORT BUILDINGS ARE DAMAGED.
M. COAL~ORE STORAGE AREA: TWO SUPPORT BUILDINGS ARE DAMAGED.
N. WAREHOUSE AREA: NINE STORAGE BUILDINGS ARE DESTROYED SEVEN
STORAGE BUILDINGS ARE DAMAGED, THREE SUPPORT BUILDINGS ARE DESTROYED
AND TWO SUPPORT BUILDINGS ARE DAMAGED.
0. CONVEYOR SYSTEMS: ALL CONVEYOR SYSTEMS EXCEPT' THE CONVEYOR
WITH THE COAL~ORE STORAGE AREA ARE DAMAGED AND INOPERABLE.
EIGHT BARGES~SMALL RIVER CRAFT (TWO OF WHICH ARE DAMAGED) ARE
OBSERVED WITHIN THE COMBINE AND NINETEEN APPARENTLY UNDAMAGED BARGES
SMALL RIVER CRAFT ARE NOTED IN THE LANG LAU BARGE CONSTRUCTION YARD
LOCATED ON THE SONG CA (RIVER) EAST OF THE BARGE LAUNCH AREA AND ONE
IS OBSERVED ON THE SOUTH BANK OF THE RIVER AT THE LAUNCH POINT.
5. NOTE:
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