air-ground communications channel
1Communications School (United States Marine Corps) — Communications School Official Communications School Emblem Designed by Captain Jamel Neville, USMC (2006) Active 1 June 1944 Present …
2Channel 1 (North American TV) — In North America, channel 1 is a former broadcast (over the air) television channel. During the experimental era of TV operation Channel 1 moved around the lower VHF spectrum, swapping places with an early allocation for the FM broadcast band.… …
3Channel 4 — This article is about the British television station. For other uses, see Channel 4 (disambiguation). Channel 4 Launched 2 November 1982 Owned by …
4Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone …
5Air France Flight 447 — F GZCP, the aircraft involved in the accident Accident summary Date 1 June 2009 …
6Air Force Space Surveillance System — Part of the master transmitter antenna at Lake Kickapoo, Texas c.2001. The Air Force Space Surveillance System, colloquially known as the Space Fence, is a multistatic radar system that detects orbital objects passing over America. It is a… …
7Air force — An air force, also known in some countries as an air army or historically an army air corps , is in the broadest sense, the national military or armed service that primarily conducts aerial warfare. The term air force may also refer to a tactical …
8Air traffic control radar beacon system — The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance radar monitoring and separation of air traffic. ATCRBS assists ATC radars by acquiring information about the aircraft being monitored,… …
9Communications satellite — A communications satellite (sometimes abbreviated to COMSAT) is an artificial satellite stationed in space for the purpose of telecommunications. Modern communications satellites use a variety of orbits including geostationary orbits, Molniya… …
10air warfare — Military operations conducted by airplanes, helicopters, or other aircraft against aircraft or targets on the ground and in the water. Air warfare did not become important until World War I (1914–18). The British, French, German, Russian, and… …
