DOS-2

DOS-2
Station statistics
Crew2
Launch29 July 1972
03:21 UTC
Launch padLC-81/24, Baikonur Cosmodrome, USSR
Mass18,425 kg
(40,620 lb)
Length14 m
Width4.15 m
Pressurised volumec.100 m³ (3,500 ft³)
Days in orbit0 days
(Launch failure)
References:[1][2]
Configuration
Planned orbital configuration of DOS-2

DOS-2 was a space station, launched as part of the Salyut programme, which was lost in a launch failure on 29 July 1972, when the failure of the second stage of its Proton-K launch vehicle prevented the station from achieving orbit.[3][4] It instead fell into the Pacific Ocean. The station, which would have been given the designation Salyut 2 had it reached orbit, was structurally identical to Salyut 1, as it had been assembled as a backup unit for that station.[1] Four teams of cosmonauts were formed to crew the station, of which two would have flown:[1]

Whilst Salyut 1 had been attempted to be visited by two three-person crews (Soyuz 10 and Soyuz 11), following modifications to the Soyuz 7KT-OK spacecraft (resulting in the new model Soyuz 7K-T) following the deaths of the crew of Soyuz 11, the spacecraft could only carry two cosmonauts, thus DOS-2 would have had two crews of two. Following the loss of the station, the crews were transferred to the DOS-3 programme.[1]

References

  1. ^ a b c d Grujica S. Ivanovich (2008). Salyut: The First Space Station. Springer-Praxis. ISBN 978-0-387-73585-6.
  2. ^ David Portree (1995). "Mir Hardware Heritage" (PDF). NASA. Archived from the original (PDF) on 2009-09-07.
  3. ^ "Central Intelligence Bulletin: USSR 29 Jul 72, 7" (PDF). CIA. 1972.
  4. ^ "Central Intelligence Bulletin: USSR 29 Jul 72, 8" (PDF). CIA. 1972.


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