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-RDP79-00849A000800030020-1
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 5
• Document Creation Date: December 28, 2016
• Document Release Date: March 6, 2006
• Sequence Number: 20
• Publication Date: May 8, 1967
• Content Type: REPORT

Approved For Release 2006/03/16 :CIA-RDP79~000800030020-1
ATTACHMENT TO L-3080
08 MAY 1967
PAGE 1
IRON AND STEEL COMBINE, THAI NGUYEN, NORTH VIETNAM
2133N 10552E
1. SIGNIFICANCE:
THIS BRIEFIlVG BOARD DEPICTS THE EFFECTS OF THE SECOND DAY OF
U.S. AIR STRIKES (11 MARCH 1967) AGAINST THE IRON AND STEEL COMBINE
AT THAI NGUYEN.
2. LOCATION:
THE IRON AND STEEL COMBINE IS LOCATED APPROXIMATELY THREE NM
SOUTH-SOUTHEP.ST OF THAI NGUYEN.
3. STRIKE DATA:
STRIKE DATA REPORTS THAT THE THAI NGUYEN IRON AND STEEL COMBINE WAS
FIRST ATTACKED ON 10 MARCH 1967 WHEN TWELVTY-EIGHT USAF F-105'S AND
EIGHT F-4C'S DROPPID THIRTY-TWO CBU-24 AND ONE HUNDRED AND EIGHTY-FIVE
750-POUND GENERAL PURPOSE BOMBS ON THE TARGET AREA. THE SECOND DAY
OF STRIKES TOOK PLACE ON 11 MARCH 47ITH THIRTY-EIGHT USAF F-105'S AND
SIX F-4C'S TAKING PART IN THE RAID. ORDNANCE EXPENDED ON THE SECOND
STRIKE CONSISTID OF THIRTY-TWO CBU-24 AND ONE HUNDRED AND NINETY-EIGHT
750-POUND GENERAL PURPOSE BOMBS. SINCE THIS DATE, SEVERAL ADDITIONAL
STRIKES HAVE BEEN EFFECTED AGAINST THIS COMPLEX.
THE THAI NGUYEN RAILROAD STATION YARDS AND SHOPS
HAD BEEN STRUCK PREVIOUSLY IN APRIL AND MAY OF 1966.
NGA review(s)
completed.
Approved For Release_ 2006/03/16 :CIA-RDP79-00849A000800030020-1
SECRET
 Approved For Release 2006/03/16 :CIA-RDP79-OU8~t9A400800030020-1
THE SECOND STRIKE ON THE THAI NGUYEN IRON AND STEEL COMBINE. BECAUSE
PHOTOGRAPHIC COVERAGE OF THIS MISSION WAS LIMITID TO A NORTH-TO-SOUTH
STRIP THROUGH THE CENTER OF THE COMBINE, DAMAGE ASSESSMENT IS CONFINED
TO THIS AREA. "
NO DAMAGE SUFFICIENT TO INTERRUP'T' THE LIMITED FABRICATION AND
IRON PRODUCTION AT THE COMBINE IS APPARENT. NO DAMAGE IS OBSERVED
TO THE BLAST FURNACES, NOR IS ANY ADDITIONAL DAMAGE OBSERVED TO THE
SINTERING PLANT PROPER. THE COKE OVENS AND THE COKE BY-PRODUCTS PLAN':PS
ATTACHMENT TO L-3080
08 MAY Ig67
PAGE 2
POST-STRIKE MAGERY OF MISSION
EVEALS ADDITIONAL DAMAGE RESULTING FROM
BOMB DAMAGE RESULTING FROM THE SECOND STRIKE INCLUDES THE
FOLLOWING:
A. NO DAMAGE IS APPARENT TO THE THREE BLAST FURNACES. THERE
IS, HOWEVER, MODERATE STRUCTURAL DAMAGE TO ONE LONG SUPPORT BUILDING
NST EAST OF THE FURNACES AND SUPERFICIAL ROOF DAMAGE TO A MULTISTORY
These notes have been prepared for briefing purposes only and should nol 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
 ATTACHMELQT TO L-3080
08 MAY 1867
PAGE 3
BUILDING SOUTH OF THE WESTERNMOST BLAST FURNACE. ONE SMALL SUPPORT
BUILDING WEST OF THE BLAST FURNACE AREA IS DESTROYED.
B. THE SINTERING PLANT HAS APPARENTLY SUSTAINED NO ADDITIONAL
DAMAGE, ALTHOUGH SUPERFICIAL ROOF DAMAGE AND SLIGHT STRUCTURAL DAMAGE
IS OBSERVED TO ONE SMALL SUPPORT BUILDING JUST EAST OF THE SINTERING
PLANT.
C. THE OPEN HEARTH FURNACE BUILDING HAS SUSTAINED ONE SHALL AREA
OF ADDITIONAL ROOF DAMAGE AND POSSIBLE SLIGHT STRUCTURAL DAMAGE ON THE
SOUTH CENTRAL PORTION OF THE BUILDING. ONE APPENDAGE TO THE SOUTHWEST
CORNER OF THE BUILDING IS DESTROYED.
D. ADDITIONAL SUBSTANTIAL STRUCTURAL DAMAGE IS OBSERVED TO THE
NORTHWEST FANG OF THE FIRE BRICK PLANT.
E. NO ADDITIONAL DAMAGE IS OBSERVID TO THE STEAM PLANT, ALTHOUGH
ONE SUPPORT BUILDING IMMEDIATELY WEST OF THE STEAM PLANT IS DESTROYED.
F. MODERATE STRUCTURAL DAMAGE IS OBSERVED TO THE EAST FTING OF A
FABRICATION~PRODUCTION BUILDING (EXACT BUILDING FUNCTION IS UNKNOWN).
G. IN THE SUPPORT AREA NORTHEAST OF THE STEAM PLANT THREE SUPPORT-
TYPE BUILDINGS SUSTAINED ADDITIONAL ROOF AND STRUCTURAL DAMAGES AND ONE
SUPPORT BUILDING IS DESTROYED,
H. IN THE COAL~ORE STORAGE AREA, THE RAIL LINE WITHIN THE OPEN
STORAGE AREA IS INTERDICTID IN AT LEAST FOUR PLACES. THERE IS
ADDITIONAL MODERATE DAMAGE TO ONE SMALL SUPPORT BUILDING IN THIS AREA,
These notes have peen 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 Deriod as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
Approved For a ease 2006/03/16 :CIA-RDP79-OD849A000800030020-1
O
 Approved For Release 2006/03/16 :CIA-RDP79-O~~fT0800030020-1
H'1"1'AGtllvII5L4'1' 1V L-}VUu
08 MAY 1967
PAGE 4
I. THE COVERED CONVEYOR FROM THE COKE OVE[JS TO THE STOCK
TRESTLE SU5TAINID A SECOND INTERDICTION.
J. THE ELEVATED PIPELINE FROM THE STEAM PLANT TO THE COKE OVENS
AND COKE BY-PRODUCTS AREA IS BROKEN JUST NORTH OF THE STOCK TRESTLE.
FIVE ADDITIONAL POINTS OF RAIL INTERDICTION ARE NOTED IIV THE
COMBINE AREA.
THIRTY-FOUR BARGES~SMALL RIVER CRAFT ARE OBSERVED.
FOR INFORMATION CONCERNING THE FIRST STRIKE ON THIS COMPLEX AS
WELL AS FOR ADDITIONAL BACKGROUND INFORMATIONS SEE NPIC BRIEFING
BOARDS z-3056 Arm L-3o6o.
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 Chiet. Collateral Support
IIp.P1Y~i?AWgi{Cc/f14/1R ? f ID RIlP7O nnudOnnnnunnn~o~,~0 1
 Approved For Release 2006/03/16 :CIA-RL"1P"1'~- ~r ~ e
POST-STRIKE,
IRON AND STEEL COMBINE, THAI NGUYEN, NORTH VIETNAM
21-33N 105-52E