IMAGERY ANALYSIS REPORT NAVAL BASE AND SHIPYARD 402 SEVERODVINSK, USSR(Sanitized)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79T00919A000200050001-5
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 37
• Document Creation Date: December 28, 2016
• Document Release Date: November 20, 2003
• Sequence Number: 1
• Publication Date: January 1, 1968
• Content Type: REPORT

Approved For Release 2004/01/16: CIA-RDP79T00919A00020005Qfo1- Secret
DIRECTORATE OF
INTELLIGENCE
Declass Review
by NIMA/DOD
Imagery Analysis Report
Naval Base and Shipyard 402
Severodvinsk, USSR
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Top Secret
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DDI/IAR 83048
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C PY 4)
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SHIPYARD NAVAL BASE AND SHIPYARD 402
LOCATION SEVERODVINSK, USSR
GEO COORDS: 64-35N 039-50E
1. Four Floating Vertical Screens
This is the first sighting of floating screens near the East Quay.
2. Unidentified Auxiliary
This is the same ship (believed to be a "J" Class submarine tender)
"hPrt1j(:-d in this position on See Annotation 16,
I
3. Possible "J" Class SSG
A broad beam and a large sail are the only recognition features
visible. Cloud cover on the companion frame of photography pre-
cludes viewing this area of the yard in stereo. Linear imagery and
rectangular shadows indicate the presence of floating vertical screens
outboard of this unit. No screens have previously been sighted out-
board of "J" Class submarines at Severodvinsk.
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SEVER073VINSK NAVAL BASE & SHIPYARD 4u?
SEV ?I?u.LDVINSK, UBLR
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SHIPYARD NAVAL BASE AND SHIPYARD 402
LOCATION SEVERODVINSK, USSR
GEO COORDS: 64-35N 039-50E
1. Submarine Hull Section on Track Behind Transverser
This section is cylindrical in shape and is resting on its longi-
tudinal axis in line with the long axis of the main construction
hall. Three white stripes or "bands" appear to curve around the out-
side of the cylinder at regular intervals. The length-overall and
the diameter of this section each measure roughly 25 feet.* The
spacing between the white stripes is about
2. Submarine Hull Section on Track Behind Transverser
This section is cylindrical in shape and is also resting on its
longitudinal axis parallel to the long of the main construction
hall. Its diameter is roughly
3. Possible Submarine Hull Section Behind the Main Construction Hall
No measurements were obtainable due to obliquity and shadow.
* All measurements have been made by the CIA/IAS project analyst.
NOTE: Obliquity, lack of stereo and poor image quality have precluded
all but rough approximations of the dimensions cited above.
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SHIPYARD NAVAL BASE AND SHIPYARD 402
LOCATION SEVERODVINSK, USSR
GEO COORDS: 64-35N 039-50E
KEY TO ANNOTATIONS ON FIGURE 4
1. Possible Keel Blocks
Approximately 15-20 blocks are positioned on Track 4 (the northernmost
track, southern bay). The distance between the block extremities is
roughly 170 feet, with the first block positioned roughly 170 feet
from the door of the main construction hall.
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2. Probable Keel Blocks
Approximately 35-40 probable blocks appear to be aligned with Track 3
(the southernmost track leading into the northern bay) of the main
construction hall. The blocks appear to be as wide as 25 feet and
are evenly distributed over a distance of approximately 330 feet.
The lead block is roughly 90 feet from the door to the main construc-
tion hall door. If this were indicative of a recent submarine launch-
ing, the best candidate would be the new 410-foot unit at Berthing
Space 4 (Annotation 13, Figure 5 of this report). Previous analysis
has indicated that Ways 1 and 2 have been associated with "N" Class
SSN construction and Ways 4 and 5 with "E-II" Class SSGN construction.
See Annotation 8,1 and Annotations 6 and 11, 25X1
CIA/PIR-67315; and Annotation 33, CIA/PIR-67165. If, as
it appears likely from a production viewpoin , Way 6 were also engaged
in "E-II" Class SSGN construction (since Ways 4 through 6 are all in
the south bay and Way 3 is in the north bay) this would leave Way 3
as a logical candidate for the construction of the new class submarine.
3. Unidentified Auxiliary (LOA approximately 250 feet)
This vessel has three holds forward, a very short superstructure, and
one possible hold aft. The small rectangular white object on the fore-
castle, the hull configuration, and the length-overall confirm this
to be the same ship observed in the deep-water side of the main launch
basin on See Annotation 22,
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SHIPYARD NAVAL BASE AND SHIPYARD 402
LOCATION SEVERODVINSK, USSR
GEO COORDS: 64-35N 039-50E
1. Small Tugboat
2. Unidentified Yard Craft
3. Floating Workship
See Annotation 28
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Rectangular Submarine Support Barge (LOA approximately
8. Three FLoating Vertical Screens
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10. Large Portal Jib Crane
11. Rectangular Submarine Support Barge
12. Rectangular Submarine Support Barge (LOA approximately 190 feet)
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16. Possible YO
A possible centerline catwalk is visible.
17. Small Barge (LOA approximately
']'his same barge was located ( but not reporte ') across the open end
20. Unique Auxiliary (visible length approximately 220 feet)
-[,his is the same auxiliary located inboard of an "E-II" Class SSGN
and Annotation
22. "N" Class SSN in Floating Dock (LOA of SSN ap?roximately 360 feet)
The distance from the bow to the leading edge of the sail of the sub-
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marine is a roximately 0 The sail le-gth at the deckline is
,t least Bow planes having a width ..f approximately II 25X1
and an overall athwartships span of approxima ely are located 25X1
approximately from the bow extremity to the leading edge of
the planes). n unidentified object approxim,-.tely in length 25X1
is located immediately abaft the sail. A serves ost nine
parallel black lines is visible around the hu.1 of the after half of
the submarine. The spacing between these lin