Displaying items by tag: AEHF satellite

Advanced Extremely High Frequency (AEHF) is a series of communications satellites operated by the United States Air Force Air Force Space Command.

The spacecraft is used to relay secure communications for the Armed Forces of the United States, the British Armed Forces, the Canadian Forces and the military of the Netherlands. The system consist of six spacecraft in geostationary orbits, of which two have been launched. AEHF is designed to replace the older Milstar system and will operate at 44 GHz Uplink (EHF band) and 20 GHz Downlink (SHF band).