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SM (Zvesda, DOS 8)

SM (Zvesda) [NASA]

The Service Module SM (Zvesda, DOS 8 (Dolgovremennaya Orbitalnaya Stanziya 8), 17KSM) was the first fully Russian contribution to the International Space Station and serves as the early cornerstone for the first human habitation of the station.

The module provides the early station living quarters, life support system, electrical power distribution, data processing system, flight control system and propulsion system. It also provides a communications system that includes remote command capabilities from ground flight controllers. Although many of these systems will be supplemented or replaced by later U.S. station components, the Service Module will always remain the structural and functional center of the Russian segment of the International Space Station.

The SM was modified from the base block of the planned Mir 2 space station.

Nation: Russia
Type / Application: Space Station service module
Operator: Rosaviakosmos
Contractors: GKNPTs Khrunichev
Configuration: DOS type station
Mass: 20295 kg
Orbit: 400 km × 400 km, 51.6 (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
SM (Zvesda, DOS 8) 2000-037A 12.07.2000 Ba LC-81/23 Proton-K