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.
“Low Earth orbit”3 pages
S-ECRE-T- Figure 24 MOSCOW PARADE, NOVEMBER 1960 34.0' BEST COPY AVAILABLE 5,9 C00278407 ESTIMATED CHARACTERISTICS U. S. Designation IOC Date Maximum Range Propulsion Configuration Guidance Accuracy Maximum Warhead Weight Ground Environment SCUD - SS-1 1957 150 N.M. (with 1500 pound warhead) Storable Liquid Propulsion System Single Stage Probably Radio,- Inertial But Possible All-Inertial About 1/2 N.M. CEP at 150 N.M. 1500 Pounds (approximately) Road Mobile With Missile in Fueled Condition SS-1 SURFACE TO SURFACE MISSILE ( SCUD) -4eRET-
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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.