The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
3 Chinese reconnaissance satellites of unknown purposes, officially reported as for "Electromagnetic environment probing".
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 26 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Sixth flight of the Firefly Alpha small satellite launcher, launching the demonstration mission for Lockheed Martin's new LM400 satellite bus, which …
Biomass is an European Space Agency mission designed to measure the density of carbon stored in the world's forests. The spacecraft, built by Airbus …
A batch of 23 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Project Kuiper is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, this constellation will be managed…