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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Combat box ： ウィキペディア英語版 Combat box The Combat Box was a tactical formation used by heavy (strategic) bombers of the U.S. Army Air Forces during World War II. The combat box was also referred to as a "staggered formation". Its defensive purpose was in massing the firepower of the bombers' guns, while offensively it concentrated the release of bombs on a target.〔 Initially formations were created in keeping with the pre-war Air Corps doctrine that massed bombers could attack and destroy targets in daylight without fighter escort, relying on interlocking fire from their defensive machine guns, almost exclusively the Browning M2 .50-calibre gun. However the use of high altitudes by USAAF bombers resulted in factors that demanded a tighter bomb pattern and the combat box continued in use even after the advent of fighter escort — and especially starting in the spring of 1944 over Europe, with USAAF fighters flying far ahead of the combat boxes in air supremacy mode instead against the Luftwaffe's fighters — largely mitigated the threat of fighter interception. Creation of the concept is credited to Colonel Curtis E. LeMay, commander of the 305th Bombardment Group in England. However the Eighth Air Force had been experimenting with different tactical formations since its first bombing mission on 17 August 1942, several of which were also known as "boxes." LeMay's group did create the "Javelin Down" combat box in December 1942, and that formation became the basis for the numerous variations of combat boxes that followed.〔 The practice of referring to a concentrated formation as a "box" was the result of diagramming formations in plan, profile and front elevation views, positioning each individual bomber in an invisible boxlike area.〔 ==The evolution of Eighth Air Force formations == 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「Combat box」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.