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The French air defence organisation is integrated in the military Armée de l’Air (ALA), the French Air Force. The defence of the French national airspace has always been based on 2 main aspects: * the peacetime security of the French airspace. This assignment is executed according to the fixed conditions of the French prime minister collaborating with the ministers of transport, foreign affairs, industrial, postal and communication services, interior management and colonial management. * the national military air defence consisting of all defensive and counteroffensive measures against eventual aggressors. In peacetime, the air defence and air operations command develops and evaluates all possible classic assets of air operations in all kinds of theatres. In times of crises or at war, the air defence and air operations command is responsible for all offensive and defensive air operations. The ''Commandement de la défense aérienne et des opérations aériennes'' (CDAOA) is the air defence and air operations command, and has the following primary missions: * to decelerate and to evaluate any possible threats for the country by controlling the French and surrounding airspace by radar * to present an actual airpicture on a 24/7 basis to all civilian and military authorities on which strategic decisions may be made * to secure the airsuperiority in the national airspace at all times * to prevent or to stop the use of the national airspace by any kind of aggressor * to alert all civilian and military authorities in case of surprise air attacks CDAOA secondary, peacetime, missions are: * to command and control all military air traffic in cooperation with the civilian air traffic under authority of the minister of transport * to command and control all search and rescue operations in case of civilian or military air accidents In case of need the main CDAOA functions will always be guaranteed on all theatres by the activation of air, ground or sea mobile detection units of all French armed forces. These units may be deployed at any time to support the fixed operational systems. ==System elements== *STRIDA (''Système de Traitement et de Représentation des Informations de Défense Aérienne'', lit. "System for processing and representing air defence information") is the radar itself. They equip the CDAOA, the CCOA, the CDC’s and the UDA *PALMIER. are 3-dimensional and 2-dimensional radars in the 23 cm wavelength. They feed information to the CDCs, which exchange their radar inputs from the other CDC’s, from foreign allied NATO CRC’s and from the E-3F and E-2C planes to complete the situation awareness. *VISU- IV/ -V are computerised workspaces manned by military controllers, that can be operated in control mode or surveillance mode. A senior controller is always in charge of supervising the operators. The VISU- IV/ -V equip the CDCs and UDA. *METEOR and ETEC are radio and datalink communication systems. They constitute the primary means of transmission, though telephone and radio transmissions may also be sent via other specific sources in the defence network, such as Socrate or MTBA, or even through the installations of France Télécom. 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「French air defence radar systems」の詳細全文を読む スポンサード リンク
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