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ICYMI: A 'Back to the Future' jacket and the super-secret space shuttle returned
While manned shuttle missions ended back in 2011, the US government is still sending reusable spacecraft into orbit. This past weekend the X-37B Orbital Test Vehicle returned from its super-secret two year mission. Speculation about what the craft was doing up there all this time ranges from; testing autonomous navigation system to evaluating if the X-37B is suitable for surveillance.
