Proper noun
USAAC
Former name of USAAF (“United States Army Air Force”). (now, USAF (“United States Air Force”)) Initialism of United States Army Air Corps.
Alexander (1995): p. 49 He enlisted with the USAAC on December 18, 1941, citation and married Eileen on June 13, 1942. Source: Internet
Merriam 2000, p. 15. USAAC Fighter Projects Officer Lieutenant Benjamin S. Kelsey flew this prototype some 300 miles in 57 minutes, approximately convert. Source: Internet
Because the new fighter was designed to a British, rather than an American or USAAC, specification it was allocated a private-venture civil designation instead of the more usual XP- (eXperimental Pursuit) group. Source: Internet
However, financial problems within the company slowed the development of the prototype and the USAAC allowed the contract to lapse. Source: Internet
Miller 2007, p. 41. Despite RAF and Luftwaffe experience, the USAAC still believed in 1942 that tightly packed formations of bombers would have so much firepower that they could fend off fighters on their own. Source: Internet
To ensure uninterrupted delivery Colonel Oliver P. Echols arranged with the Anglo-French Purchasing Commission to deliver the aircraft, and NAA gave two examples (41-038 and 41-039) to the USAAC for evaluation. Source: Internet