Against the midnight blue of a high-altitude sky, Orbital Sciences' Pegasus winged rocket booster ignited after being dropped from NASA's B-52 mothership on a July 1991 flight.
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Against the midnight blue of a high-altitude sky, Orbital Sciences’ Pegasus winged rocket booster ignited after being dropped from NASA’s B-52 mothership on a July 1991 flight. A NASA chase plane for the flight is also visible above the rocket and below the B-52.July 17, 1991NASA Photo› Pegasus Project Description