SILO VULNERABILITY TEST SHAGAN RIVER TEST AREA, USSR (SANITIZED)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP83T00574R000100540001-6
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: June 10, 2010
• Sequence Number: 1
• Publication Date: September 16, 1982
• Content Type: REPORT

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CONTROL NO. Z-11321/82
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SILO VULNERABILITY TEST
SHAGAN RIVER TEST USSR
NPIC/PEG (09/82)
1. (SWN) SIGNIFICANCE: A SILO VULNERABILITY TEST HAS BEEN
CONDUCTED E 889 OF THIS FACILITY.
2. (SWN) REMARKS: SINCEI HIGH EXPLOSIVES 25X1
SIMULATION TECHNIQUE (HEST), BERM LOADED EXPLOSIVES SIMULATION
TECHNIQUE (BLEST), AND DIRECT INDUCED HIGH EXPLOSIVES
SIMULATION TECHNIQUE (DI-HEST) TESTS ;NAVE BEEN CONDUCTED
AGAINST SILOS 10 AND 12. TEST STRUCTURES WERE CONSTRUCTED OVER
AND ADJACENT TO BOTH SILOS TO SIMULATE BLAST OVERPRESSURE AND
GROUND SHOCK. THE TEST CREATED A LARGE THROWOUT CRATER
ADJACENT TO EACH SILO, AND APPARENTLY COLLAPSED THE ROOF OF A
DRIVE-DOWN INSTRUMENTATION BUNKER BETWEEN THE TWO SILOS. THE
COLLAPSED BUNKER HAD BEEN CONSTRUCTED FOR AN EARLIER AND
ABORTED TEST AT THIS SITE IN 1981 AND WAS PROBABLY NOT USED FOR
THIS TEST. BOTH THROWOUT CRATERS ARE COMPARABLE IN SIZE AND
MEASURE APPROXIMATELY 68 BY 98 METERS AT SILO 10 AND
APPROXIMATELY 66 BY 100 METERS AT SILO 12. WORK IS UNDERWAY TO
CLEAR THE RUBBLE FROM BOTH SILOS AND THE SILO DOOR APPEARS TO
HAVE BEEN PARTIALLY UNCOVERED AT SILO 12.
(SWN) SILO 10 IS A TYPE IIIF SILO ASSOCIATED WITH THE SS-18
MISSILE SYSTEM, AND SILO 12 IS A TYPE IIIG SILO ASSOCIATED WITH
THE SS-19 MISSILE SYSTEM. SILOS 10 AND 12 WERE LOADED IN JUNE
AND JULY 1982, RESPECTIVELY, AND THE HEST AND BLEST BEDS WERE
COMPLETED BY THE END OF AUGUST 1982.
3.1 COORDINATES 49-59-25N 078-55-43E
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and must be considered valid only for the reporting period as indicated by the date of issue.
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