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Air interdiction (AI), also known as deep air support (DAS), is the use of aircraft to attack tactical ground targets that are not in close proximity to friendly ground forces. It differs from close air support because it does not directly support ground operations and is not closely coordinated with ground units. Unlike strategic bombing, air interdiction is not meant as an independent air campaign, as its ultimate purpose is to aid ground operations rather than to defeat the enemy by air power alone. The purpose of air interdiction is to delay, disrupt, or destroy enemy forces or supplies en route to the battle area before they can engage friendly forces. Even at such degree, a distinction is often made between strategic and tactical interdiction; strategic operations are broad and long-term, while tactical operations are designed to affect events rapidly and in a localized area. ==Background== Air interdiction is a core airpower mission that has been conducted since World War I by virtually all air forces. In that war, the goal was to isolate the battlefield by strafing and bombing enemy supply lines. Favorite targets were railroad lines, bridges, and truck convoys. Due to the primitive state of aircraft and weapons technology, as well as the undeveloped nature of air doctrine and tactics, air interdiction missions in World War I were of limited utility. The potential of air interdiction was clearly recognized, however, and during World War II it once again became a major mission of air forces. Although air interdiction operations were conducted in all theaters, the most extensive and thoroughly analyzed, particularly in the English language, were those of the United States and United Kingdom against the Axis. Specifically, the Allies launched major air interdiction efforts in the North African, Italian, and Normandy campaigns. The venues for these three campaigns were markedly different in terms of weather, terrain, the enemy’s supply and transportation infrastructure, and the availability of intelligence regarding the enemy. As a consequence of these differences, the results of air interdiction also varied. The greatest success was in the desert terrain of North Africa, where Axis forces also relied heavily on vulnerable and visible sea convoys across the Mediterranean Sea. The Italian campaign, by contrast, was characterized by mountainous terrain, poor weather conditions, and shortened German supply lines. The diverse results of these two campaigns taught air planners differing lessons. Air interdiction has continued to play a major role in conflicts since World War II. It has been extensively used in modern conflicts such as Korea, Vietnam, Iraq, and in the 1999 NATO bombing of the Federal Republic of Yugoslavia, as well as in wars between Israel and the Arab states in the Middle East. Once again, differing local conditions and political restraints have had an enormous effect on how air interdiction was conducted and the degree to which it was successful. In Vietnam, for example, the strategic interdiction campaign known as Rolling Thunder (1965–1968) was largely unsuccessful. The dense jungle terrain, poor intelligence on enemy movements, and political restrictions on targets struck made U.S. air interdiction efforts largely futile. The flow of supplies and reinforcements from North Vietnam to their units in South Vietnam was not seriously affected. In contrast, coalition air interdiction efforts in the 1991 Gulf War were extremely successful in isolating front-line Iraqi units from their bases in the rear. Intelligence, much of it derived from space and airborne sensors, gave an unusually clear picture of enemy locations, and the open desert terrain similarly facilitated air interdiction operations. 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「Air interdiction」の詳細全文を読む スポンサード リンク
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