air-ground automatic system
11Air navigation — The principles of air navigation are the same for all aircraft, big or small. Air navigation involves successfully piloting an aircraft from place to place without getting lost, breaking the laws applying to aircraft, or endangering the safety of …
12Ground effect vehicle — A ground effect vehicle, wing in ground effect vehicle (WIG), flarecraft, sea skimmer, ekranoplan, or wing in surface effect ship (WISE) is a vehicle that attains level flight near the surface of the Earth, made possible by a cushion of high… …
13Air 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… …
14Air and Space Operations Center — 601st Air and Space Operations Center at Tyndall AFB, Florida An Air and Space Operations Center (AOC) is a type of command center used by the United States Air Force. It is the senior agency of the Air Force component commander to provide… …
15Ground Observer Corps — The Ground Observer Corps was a series of Civil Defense programs in the United States to protect against air attack. First begun in World War II by the Army Air Force, the 1.5 million civilian observers at 14,000 coastal observation posts used… …
16Air transport in China — As a result of the rapidly expanding civil aviation industry, by 2007 China had around 500 airports of all types and sizes in operation, about 400 of which had paved runways and about 100 of which had runways of 3,047 m or shorter. There also… …
17Ground communication outlet — There are multiple classes of airspace. Depending on the level of aviation activity in a class of airspace, different levels of air traffic control are used. An GCO is a variant of RCO. Historically, pilots would use a RCO, which was a direct… …
18Air Canada Flight 797 — Flight 797 redirects here. For the 1987 aviation incident involving the airline Varig, see Varig Flight 797. Air Canada Flight 797 Accident summary Date June 2, 1983(1983 06 02) Type …
19rocket and missile system — ▪ weapons system Introduction any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion. Rocket is a general term used broadly to describe a variety of jet propelled missiles… …
20Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
