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Published on May 7, 2017
After 718 days in orbit, the X-37B Orbital Test Vehicle mission 4 (OTV-4) landed at NASA’s Kennedy Space Center Shuttle Landing Facility on 7 May 2017. The X-37B Orbital Test Vehicle, or OTV, is an experimental unmanned, reusable space plane to demonstrate technologies for a reliable space test platform for the U.S. Air Force. The X-37B OTV-4 mission was launched on 20 May 2015 by an Atlas V rocket https://youtu.be/Gsmx5KxwYpI?list=PLp... Credit: U.S. Air Force Boeing X-37B Orbital Test Vehicle Mission 4 landing 7 May 2017