Rockwell B-1A Lancer 74-0158 taking off from Palmdale on its maiden flight, 23 Dec 1974 Published on December 24, 2012 in 23 December 1974Full resolution (850 × 520) Next → The first prototype Rockwell B-1A Lancer, 74-0158, takes off at AF Plant 42, Palmdale, California, 23 December 1974. (U.S. Air Force)