Air Force's X-37B space plane breaks record for consecutive days in orbit - AirForceTimes.com
- Air Force's X-37B space plane breaks record for consecutive days in orbit AirForceTimes.com
- Air Force's mysterious X-37B spacecraft sets new record for time in space CNN
- Secretive U.S. Air Force Spaceplane Breaks Record With 719 Straight Days in Orbit Gizmodo
- A Top Secret Air Force Space Drone Has Been Orbiting Earth for Almost 2 Years VICE
- The Air Force’s secret space plane sets a new record: 718 days in orbit Engadget
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