Lockheed Martin's Space Division started in the production of missiles and later ICBM's in the 1950s. Their TITAN missile system was used for 12 Gemini spacecraft and the Voyager probes. They have worked largely in collaboration with NASA on many of their probes, landers, and spacecraft, and hope to play a key role in NASA's return to the moon in 2024.
Milstar (Military Strategic & Tactical Relay) is the tactical and strategic multiservice satellite system designed to provide survivable communications for U.S. forces worldwide. The program is managed by the U.S. Air Force Space and Missile Center.
Geosynchronous OrbitThe Orion 3 and 4 (RIO 3, 4) satellites, which are generally known as 'Advanced Orion' or 'Mentor', are geostationary signals intelligence satellites, which replaced the Magnum / Orion series. Their purpose is to intercept missile telemetry from Russia and China and the COMINT capability of the Mercury satellites was merged into this series. These satellites are launched under the designation Program 7600.
Geostationary OrbitThe European Space Agency (ESA)'s LEO-PNT (Low Earth Orbit Positioning, Navigation and Timing) demonstrator mission will feature a 10-satellite const…
Chinese satellite reported to be for "space environment research" purposes. Actual usage not known.
A batch of 25 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Commercial Synthetic-aperture radar Earth observation satellites built by CAST for China Siwei Survey and Mapping Technology Co. Ltd.
Note: Payload identities uncertain. Batch of 16 Rassvet-3 Low Earth Orbit communication satellites for the Russian Byuro-1440 (Bureau 1440) conste…