Documents / FOIA release
This is National Intelligence Estimate 11-5-61, Soviet Technical Capabilities in Guided Missiles and Space Vehicles. It was submitted by the Director of Central Intelligence and concurred in by the United States Intelligence Board on 25 April 1961. The estimate assesses Soviet surface-to-air, antimissile, air-to-air, air-to-surface, ballistic, ICBM, naval and space programs. It concludes that the first Soviet ICBM unit was probably operational around 1 January 1960. It also says there is no evidence the Soviets are developing offensive space weapons. It contains no UFO material.
“The Advance”10 pages
BEST COPY AVAILABLE Overall Length 40 fe;i7-7 Body Diameter 2 feet Fin Span 9 feet SECRET Figure 5 MOSCOW PARADE, NOVEM1ER 1960 V-301 MISSILE SA-1 ESTIMATED MISSILE SYSTEM CHARACTERISTICS Maximum Iner Intercept Altitude Maximum Intercept Range Warhead Weight Maximum Velocity Propulsion System CEP 60,000 - 80,000 feet Dependent on Target 20 - 30 Nautical Miles Type and Approach 500 Pounds Mach 3.5 Kerosene and Nitric Acid 65 - 120 Feet SA-1 MISSILE SYSTEM (INCLUDING V-301 MISSILE) SECRET
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is above. 101 pages are in the text index: search them above, or from the library's search.