North American B-25 Published on August 18, 2012 in 19 August 1940Full resolution (1800 × 1198) Next → North American Aviation NA-62, the first B-25 Mitchell, 40-2165, at Mines Field, Los Angeles California, August 1940. (U.S. Air Force)One of the first North American B-25s built. (U.S. Air Force photo)