height-warning
11Mount Warning — (aka Wollumbin) Mount Warning at sunset. Elevation 1,156 m (3,793 ft) …
12Tsunami warning system — A tsunami warning system is a system to detect tsunamis and issue warnings to prevent loss of life and property. It consists of two equally important components: a network of sensors to detect tsunamis and a communications infrastructure to issue …
13Ground proximity warning system — (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. Another common name for such a system is ground collision warning system (GCWS). Commercial aircraft The system… …
14Launch on warning — is a nuclear strategy which came about during the Cold War between the United States and the Soviet Union. With the invention of intercontinental ballistic missiles (ICBMs), it became an integral part of the concept of mutually assured… …
15706th Aircraft Control and Warning Squadron — Infobox Military Unit unit name= 706th Aircraft Control and Warning Squadron caption= dates= April 1959–June 1965 country= United States allegiance= branch= Air Force type= role= size= command structure= Air Defense Command see Assignments… …
16Earthquake warning system — An earthquake warning system is a system of accelerometers, communication, computers, and alarms that is devised for regional notification of a substantial earthquake while it is in progress. This is not the same as earthquake prediction, which… …
17785th Aircraft Control and Warning Squadron — Infobox Military Unit unit name= 785th Aircraft Control and Warning Squadron caption= dates= April 1952–December 1979 country= United States allegiance= branch= United States Air Force type= role= size= command structure= Aerospace Defense… …
18Aircraft warning lights — are high intensity lighting devices that are attached to tall structures and used as collision avoidance measures. Such devices make the structure much more visible to passing aircraft and are usually used at night, although in some countries… …
19airborne early warning and control — Air surveillance and control provided by airborne early warning aircraft that are equipped with search and height finding radar and communications equipment for controlling weapon systems. They are equipped to detect enemy aircraft and direct… …
20airborne early warning and control — Air surveillance and control provided by airborne early warning aircraft which are equipped with search and height finding radar and communications equipment for controlling weapon systems. Also called AEW & C. See also air picket …
