article_snippet: Developed in the 1930s for the United States Army Corps, the Boeing B-17 Flying Fortress is a four-engine heavy bomber aircraft.
article_snippet: the Boeing B-17 Flying Fortress was designed and built at Boeing’s own expense by a team of engineers led by E. Gifford Emery and Edward Curtis Wells.
article_snippet: The name Flying Fortress was used to describe a four-engine heavy bomber aircraft because the Model 299 included multiple machine gun installations.
article_snippet: The B-17 served numerous USAAF units in combat throughout World War II and was even used by the RAF in non-bomber roles.
article_snippet: the Boeing B-17 Flying Fortress has become a symbol of power and the America Air Force.
article_snippet: The Boeing B-17 Flying Fortress was developed in the 1930s for the United States Army Corps .