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.
Low Earth OrbitExpress-A satellites are designed for operation in the fixed satellite service. Their transponder payloads make it possible to retransmit all types of traffic, including television and radio programming, telephony, data, videoconferencing as well as high-speed Internet.
Geostationary Orbit