Displaying items by tag: military 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).

Helios II is a military satellite for Earth observation. It is operating since April 2005.

It is operated jointly by France, Belgium, Spain, Greece and Italy.

Skynet is a family of military satellites, now operated by Paradigm Secure Communications on behalf of the UK Ministry of Defence, which provide strategic communication services to the three branches of the British Armed Forces and to NATO forces engaged on coalition tasks.