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/specialCollection/MissileGap/1961/1961-04-25.pdf

Central Intelligence Agency · 101 pages · text from the file's own layer

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.

Open the PDF at page 21 Original source ↗

“Sputnik 2”6 pages

  • p. 5 …Typical SA-2 Missile System Site (Stalingrad, USSR) 12 8. Typical SA-2 Missile System Equipment…
  • p. 73 Table 2 SOVIET EARTH SATELLITES • SPUTNIK I (195 ALPHA-2) SPUTNIK II (1957 BETA) SPUTNIK III…
  • p. 74 Table 2 (Continued) SPUTNIK VII (1981 BETA) SPUTNIK VIII (1001 GAMMA) Venus Probe Success SPUTNIK IX…
  • p. 75 SPUTNIK I (1967 ALPHA-2) SPUTNIK (1957 BETA) SPUTNIK HI (1958 DELTA-2) Contents Internal tempera…
  • p. 76 Table 2 (Conlintted) SPUTNIK VII (1061 BETA) SPUTNIK VIII (1961 GAMMA) Venus Probe Success SPUTNIK IX…
  • p. 79 …In February 1961, the Soviets at- tempted with Sputnik VII to launch a probe toward Venus…
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is under it. 101 pages are in the text index: search them above, or from the library's search.