Aleksandrov

Saley

Viktorenko

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1986 June. (Cancelled flight). Crew: Aleksandrov, Saley, Viktorenko. Backup Crew: Moskalenko, Serebrov, Solovyov. Program: Salyut 7. Planned second crew to operate TKS-3 military experiments aboard Salyut 7. These had been left uncompleted with the early return of the EO-4-2 crew due to Vasyutin's illness. The new crew would have been shuttled to the station aboard a Soyuz-T spacecraft. Salyut 7 was moved to a higher orbit after the departure of the TKS-3 first crew to await the second crew, but then control of the station was lost. There were plans to return it aboard Buran for inspection, but first flight of the spaceplane was delayed. Salyut 7 and Cosmos 1686 burned up in the atmosphere together in a fiery show over Argentina on February 7, 1991.

• - 1986 June - Soyuz T-15B (cancelled)  Crew: Aleksandrov, Saley, Viktorenko. Spacecraft: Soyuz T.

  Planned second crew to opeate TKS-3 military experiments aboard Salyut 7 before control of the station was lost. Salyut 7 and Cosmos 1686 burned up in the atmosphere together in a fiery show over Argentina on February 7, 1991.