美国陆军航空队，相信在白昼轰炸，应以防御性的空中堡垒重轰炸机为组织之骨干。
The u. s. army air forces believed in daylight bombing with the heavily defended fortress type of bomber as the backbone of the organization .
入侵的空中行动与较 早之前英国皇家空军和美国陆军航空队实施的进攻是不能割裂开来的。
The invasion's air operations cannot be isolated from the earlier offensives carried on by the Royal Air Force and U.S. Army Air Force.
入侵的空中行动与较 早之前英国皇家空军和美国陆军航空队实施的进攻是不能割裂开来的。
The invasion's air operations cannot be isolated from the earlier offensives carried on by the Royal Air Force and U. S. Army Air Force.
1935年10月30日，美国陆军航空队举办了一场竞赛，以确定由哪家公司来打造美国下一代远程轰炸机。
ON OCTOBER 30th 1935, the US Army Air Corps held a competition to see which company would build the country's next-generation of long-range bombers.
1943年秋，驻扎在英国的美国陆军航空兵(USAAF)第8航空队下属的轰炸机大队面临着一场危机。
By the autumn of 1943 the bomber groups of the Eighth US Army Air Force (USAAF) based in England faced a crisis.
1943年秋，驻扎在英国的美国陆军航空兵(USAAF)第8航空队下属的轰炸机大队面临着一场危机。
By the autumn of 1943 the bomber groups of the Eighth US Army Air Force (USAAF) based in England faced a crisis.
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