Unmanned Space Shuttle
Dec. 24, 2024
Unmanned, solar-powered US space plane back after 908 days Unmanned U.S. Air Force space plane lands after secret, two-year mission | Reuters Was the Nasa Space Shuttle capable of flying unmanned? - Quora Secretive X-37B robot space plane returns to Earth Space Shuttle Jr. | Air & Space Magazine| Smithsonian Magazine Air Force X-37B launched by SpaceX spent 720 days in orbit and counting - The Washington Post | Unmanned Space Shuttle