Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK was purchased by Northrop Grumman in 2018.
STEP 0 (Space Test Experiment Platform 0) was a technology demonstration satellite flown under the Space Test Program (STP). DARPASAT (Defense Advanced Research Projects Agency Satellite) was designed to demonstrate advanced technology. Ball Aerospace designed, fabricated, integrated, and tested the spacecraft bus, and integrated two government-supplied payloads.
Low Earth OrbitClassified payload for the US National Reconnaissance Office
6 weather satellites performing atmospheric measurements using GNSS Radio Occultation for a Tianjin based company. Constellation is planned to have a…
Eighth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office t…
A batch of 23 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.
Last of five batches of five satellites for the French Kinéis IoT constellation designed to operate with 25 nanosatellites of 30 kg each.