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Salyut (3), 4 / DOS 3, 4

Salyut 4

DOS (Dolgovremennaya Orbitalnaya Stanziya)

Nation: USSR
Type / Application: Space station
Operator:
Contractors: TsKBEM → NPO Energia
Equipment:
Configuration: DOS type
Propulsion: KTDU-66
Power: 3 deployable solar arrays, batteries
Lifetime:
Mass:
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 557 (Salyut (3), DOS 3) 1973-026A 11.05.1973 Ba LC-81/23 Proton-K
Salyut 4 (DOS 4) 1974-104A 26.12.1974 Ba LC-81/24 Proton-K