One of the X-38 lifting-body research vehicles is shown mated to NASA's B-52 mothership in flight prior to launch.
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One of the X-38 lifting-body research vehicles is shown mated to NASA’s B-52 mothership in flight prior to launch. The B-52 had been a workhorse for the Dryden Flight Research Center for more than 40 years, carrying numerous research vehicles aloft and conducting a variety of other research flight experiments.July 9, 1999NASA Photo / Carla Thomas› X-38 Project Description