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In wilderness first aid, evacuation is the transport of a seriously injured person out of the wilderness to the nearest point an ambulance can reach to take them to the hospital, or to the nearest emergency room. It is first necessary to stabilize the patient prior to moving them to avoid causing further injury. Evacuation may involve carrying the victim some distance on improvised stretchers, a travois or other improvised carrying gear. See also Casualty movement.
In bomb threats, evacuation is clearing all people out of an area and secure the perimeter, until the bomb squad has concluded that there is no bomb, or has removed it, or has detonated it safely, or has dismantled it.
Mass evacuations also occur where a hurricane, typhoon, or other dangerous tropical cyclone is expected to make landfall. The mass evacuation of a city is also a hypothetical procedure in civil defenseFEMA's seal, the triangle emphasises the 3-step Civil Defense philosophy used before the foundation of FEMA and Comprehensive Emergency Management. Civil defense is an effort to defend civilian society from military attack. Like emergency operations, it h from nuclear terrorismNuclear terrorism can be used to describe any of the following terrorist assaults: #Use of Nuclear weapons against a civilian target #Use of a radiological weapon or dirty bomb against a civilian target #An attack against a nuclear power plant Some believ or a nuclear war.
See also: Evacuations of civilians in Britain during World War IIThe evacuations of civilians in Britain during World War II . The ARP Committee of 1924 had made some, in hindsight, rather hysterical casualty predictions for a future conflict. These estimates were increased throughout the 1930s The Air Raid Precautions