The Boeing B-17 Flying Fortress is an American four-engined heavy bomber aircraft developed in the 1930s for the United States Army Air Corps (USAAC). A fast and high-flying bomber, the B …

The iconic bomber of the European theater, the Boeing B-17 Flying Fortress, carried the fight to the Germans in the skies over Europe.

2025年2月14日 · B-17, U.S. heavy bomber used during World War II. The B-17 was designed by the Boeing Aircraft Company in response to a 1934 Army Air Corps specification that called for …

B-17空中堡壘轟炸機（B-17 flying fortress）是美國 波音在1930年代為美國陸軍航空軍所發展的四引擎重型轟炸機。當時參與競爭此200架新型轟炸機合約的還有道格拉斯和格倫·L·馬丁兩家公 …

2022年7月27日 · The B-17 has always been one of the most noteworthy bombers in WWII. From 1936 to 1945, there were 12,731 B-17 bombers built and it would cost about $3.3 million each …

During WW2, 26 B-17 bomber groups served in Britain and 6 groups served in Italy. Beginning in 1943, they began a carpet bombing campaign against German industrial targets. Initially an …

2024年4月8日 · The Boeing B-17 Flying Fortress was a four-engined heavy bomber plane used by the air forces of the United States and Britain during the Second World War (1939-45). The …

The B-17 prototype first flew on July 28, 1935. Although few B-17s were in service on Dec. 7, 1941, production quickly accelerated after the U.S. entry into World War II. The aircraft served …

2020年1月20日 · On August 17, 1942, American B-17s flew their first raid over occupied Europe when they struck railroad yards at Rouen-Sotteville, France. As American strength grew, the …

From its introduction in 1938, the B-17 Flying Fortress evolved through numerous design advances. With a service ceiling greater than any of its Allied contemporaries, the B-17 …