describe their badge
Most aviation badges were made of sterling silver or were given a silver finish, and various devices were used to attach them to uniforms. These included the traditional pin and safety catch and, later, clutch-back fasteners.
United States Army Air Forces
Most aviation badges were made of sterling silver or were given a silver finish, and various devices were used to attach them to uniforms. These included the traditional pin and safety catch and, later, clutch-back fasteners. 
who bombed yawata? United States Army Air Forces (USAAF) strategic bombers where is this place that was bombed? Japan what happened in the aftermath? The raid demonstrated that Japan had too few air bases and not enough aircraft were available for night operations. It was also found that the Toryu fighter was not well suited to intercepting B-29s as it was slower than the bombers, too lightly armed and most aircraft lacked radar. what was the name of this raid? Doolittle Raid was it named after somebody? James Doolittle was he an officer? Yes, he was the General of the United States Air Force. what type of airplanes are used as bombers? 75 B-29 Superfortress heavy bombers when was the usaaf created? 20 June 1941 what kind of aircraft do they have? UNANSWERABLE
wiki:24640713
United States Army Air Forces [SEP] Badges
These included the traditional pin and safety catch and, later, clutch-back fasteners. Most USAAF badges of World War II became obsolete, having been superseded by later designs or with their aeronautical rating discontinued, and were not authorized for wear on the uniform after 1955.