Three U.S. Army Air Force Boeing B-17E <i>Flying Fortress</i> bombers (s/n 41-2512, 41-2511 and 41-2509) in late 1941 or early 1942. Aircraft 41-2509 was wrecked in a landing accident at Hendricks Field, Florida (USA) on 16 May 1942, 41-2511 a day before. Hendricks Field was home of the Army Air Force Basic Training School at Sebring, Florida, where B-17 crews were trained.
USAAF
1941/42
USAF museum website, USAF photo no. 050610-F-1234P-012 <a rel="nofollow" class="external autonumber" href="http://www.nationalmuseum.af.mil/shared/media/photodb/photos/050610-F-1234P-012.jpg">[1]</a>, retrieved 2009-04-02