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Civil defense, civil defence (see spelling differences) or civil protection is an effort to protect the citizens of a state (generally non-combatants) from military attack. It uses the principles of emergency operations: prevention, mitigation, preparation, response, or emergency evacuation and recovery. Programs of this sort were initially discussed at least as early as the 1920s and were implemented in some countries during the 1930s as the threat of war and aerial bombardment grew. It became widespread after the threat of nuclear weapons was realized. Since the end of the Cold War, the focus of civil defense has largely shifted from military attack to emergencies and disasters in general. The new concept is described by a number of terms, each of which has its own specific shade of meaning, such as crisis management, emergency management, emergency preparedness, contingency planning, emergency services, and civil protection. In some countries, civil defense is seen as a key part of "total defense". For example, in Sweden, the Swedish word ''totalförsvar'' refers to the commitment of a wide range of resources of the nation to its defense - including to civil protection. Respectively, some countries (notably the Soviet Union) may have or have had military-organized civil defense units (Civil Defense Troops) as part of their armed forces or as a paramilitary service. == History == === Origins === The advent of civil defence was stimulated by the experience of the bombing of civilian areas during the First World War.The bombing of Britain began on 19 January 1915 when zeppelins dropped bombs on the Great Yarmouth area, killing six people. German bombing operations of the First World War were surprisingly effective, especially after the Gotha bombers surpassed the zeppelins. The most devastating raids inflicted 121 casualties for each ton of bombs dropped and it was this figure that was used as a basis for predictions. After the war, attention was turned toward civil defence in the event of war, and the Air Raid Precautions Committee was established in 1924 to investigate ways for ensuring the protection of civilians from the danger of air-raids. The Committee produced figures estimating that in London there would be 9,000 casualties in the first two days and then a continuing rate of 17,500 casualties a week. These rates were thought conservative. It was believed that there would be "total chaos and panic" and hysterical neurosis as the people of London would try to flee the city. To control the population harsh measures were proposed—bringing London under almost military control; physically cordoning London with 120,000 troops to force people back to work. A different government department proposed setting up camps for refugees for a few days before sending them back to London. A special government department, the Civil Defence Service was established by the Home Office in 1935. Its remit included the pre-existing ARP as well as wardens, firemen (initially the Auxiliary Fire Service (AFS) and latterly the National Fire Service (NFS)), fire watchers, rescue, first aid post, stretcher party and industry. Over 1.9 million people served within the CD and nearly 2,400 lost their lives to enemy action. The organisation of civil defence was the responsibility of the local authority. Volunteers were ascribed to different units depending on experience or training. Each local civil defence service were divided into several sections. Wardens were responsible for local reconnaissance and reporting, and leadership, organisation, guidance and control of the general public. Wardens would also advise survivors of the locations of rest and food centres, and other welfare facilities. Rescue Parties were required to assess and then access bombed out buildings and retrieve injured or dead people. In addition they would turn off gas, electricity and water supplies, and repair or pull down unsteady buildings. Medical services, including First Aid Parties, provided on the spot medical assistance. The expected stream of information that would be generated during an attack was handled by 'Report and Control' teams. A local headquarters would have an ARP controller that would direct rescue, first aid and decontamination teams to the scenes of reported bombing. If local services were deemed insufficient to deal with the incident then the controller could request assistance from surrounding boroughs. Fire Guards were responsible for a designated area/building and required to monitor the fall of incendiary bombs and pass on news of any fires that had broken out to the NFS. They could deal with an individual magnesium electron incendiary bomb by dousing them in buckets of sand, water or by smothering. Additionally, 'Gas Decontamination Teams' were kitted out with gas-tight and waterproof protective clothing and were to deal with any gas attacks. They were trained to decontaminate buildings, roads, rail and other material that had been contaminated by liquid or jelly gases. Little progress was made over the issue of air-raid shelters, because of the apparently irreconcilable conflict between the need to send the public underground for shelter and the need to keep them above ground for protection against gas attacks. In February 1936 the Home Secretary appointed a technical Committee on Structural Precautions against Air Attack. During the Munich crisis, local authorities dug trenches to provide shelter. After the crisis, the British Government decided to make these a permanent feature, with a standard design of precast concrete trench lining. They also decided to issue free to poorer households the Anderson shelter and to provide steel props to create shelters in suitable basements. During the Second World War, the ARP was responsible for the issuing of gas masks, pre-fabricated air-raid shelters (such as Anderson shelters, as well as Morrison shelters), the upkeep of local public shelters, and the maintenance of the blackout. The ARP also helped rescue people after air raids and other attacks, and some women became ARP Ambulance Attendants whose job was to help administer first aid to casualties, search for survivors, and in many grim instances, help recover bodies, sometimes those of their own colleagues. As the war progressed, the effectiveness of aerial bombardment was, beyond the destruction of property, very limited. There were less than three casualties for each ton of bombs dropped by the Luftwaffe in many British cities and the expected social consequences hardly happened. The morale of the British people remained high, 'shell-shock' was not at all common, and the rates of other nervous and mental ailments declined. In the United States, the Office of Civil Defense was established in May 1941 to coordinate civilian defense efforts. It coordinated with the Department of the Army and established similar groups to the British ARP. One of these groups that still exists today is the Civil Air Patrol, which was originally created as a civilian auxiliary to the Army. The CAP was created on December 1, 1941, with the main civil defense mission of search and rescue. The CAP also sunk 2 Axis submarines and provided aerial reconnaissance for Allied and neutral merchant ships.〔http://www.gocivilairpatrol.com/about〕 In 1946, the Civil Air Patrol was barred from combat by Public Law 79-476. The CAP then received its current mission: search and rescue for downed aircraft. When the Air Force was created, in 1947, the Civil Air Patrol became the auxiliary of the Air Force.〔Texas Wing Civil Air Patrol 2014 Summer Encampment Standard Operating Instructions (SOI)〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「civil defense」の詳細全文を読む スポンサード リンク
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