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Operation Igloo White was a covert United States joint military electronic warfare operation conducted from late January 1968 until February 1973, during the Vietnam War. These missions were carried out by the 553rd Reconnaissance Wing, a U.S. Air Force unit flying modified EC-121R Warning Star aircraft, and VO-67, a specialized U.S. Navy unit flying highly modified OP-2E Neptune aircraft. This state-of-the-art operation utilized electronic sensors, computers, and communications relay aircraft in an attempt to automate intelligence collection. The system would then assist in the direction of strike aircraft to their targets. The objective of those attacks was the logistical system of the People's Army of Vietnam (PAVN) that snaked through southeastern Laos and was known as the Ho Chi Minh Trail (the Truong Son Road to the North Vietnamese).〔 ==Establishment Of Igloo White== "The MUSCLE SHOALS (IGLOO WHITE) program was initiated on 16 September 1966, with a decision by Secretary of Defense, Robert S. McNamara, to develop a system to interdict North Vietnamese infiltration into South Vietnam. The program, as envisioned, included two closely related systems: (1) a strong point/obstacle subsystem to be deployed in a line across Vietnam, just below the DMZ, extending inland from the coast; and (2) an air-supported anti-infiltration subsystem extending westward from the strong point/obstacle subsystem into central Laos to include the I- area of the Ho Chi Minh Trail from North Vietnam through central and eastern Laos into South Vietnam (Fig. 1). By the end of 1966, a plan ij had been prepared and funds for the program were budgeted." "The initial sensor program was called PRACTICE NINE until 14 June 1967, ILLINOIS CITY until 15 July 1967, and DYE MARKER until 8 September 1967, when MUSCLE SHOALS was adopted to indicate the air-supported subsystem in eastern and central Laos. In June 1968, the program was renamed IGLOO WHITE and consisted of three components: (1) munitions and sensing devices which were placed across and along suspected routes of infiltration to detect and impede enemy foot or vehicular movement; (2) orbiting aircraft which received signals from these sensors, amplified them, and retransmitted them; and (3) an Infiltration Surveillance Center (ISC) which received the transmitted signals from the aircraft and analyzed them to produce reliable tactical information for planning and interdiction operations. The IGLOO WHITE system was originally expected to impede enemy infiltration through use of mine fields and aid in determining when mine reseeding was necessary. Sensors were also to be used along trails and roads to provide real time target information for 3 tactical airstrikes. By July 1968, the munitions had proved to be relatively ineffective, and the use of sensors to obtain reconnaissance information was rapidly becoming the principal objective of the IGLOO WHITE system. 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「Operation Igloo White」の詳細全文を読む スポンサード リンク
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