NB-52B Stratofortress
1960's--The NB-52B is still used as a test aircraft and carrier aircraft for research vehicles at the NASA. In addition to supporting the X-15 and Lifting Body programs, the NB-52B was used as a mothership for the Spin Research Vehicle, DAST, Pegasus and X-38 programs, it was also used to test drag chutes for the F-111 and space shuttle. (b/w), Graphic courtesy of NASA