7 years ago
SpaceX launches U.S. military space plane on secret mission
SpaceX successfully launched the U.S. Air Force's reusable robotic space plane on its latest secret mission today. The X-37B Orbital Test Vehicle (OTV), built by Boeing, is an unmanned spacecraft that has spent up to 700 days orbiting the Earth on previous missions. This is its fifth mission, but the first aboard a SpaceX rocket.
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