US Space Force postpones launch of secretive X-37B space plane to Dec. 10
The U.S. Space Force has announced a delay in the upcoming launch of its elusive X-37B space plane, the first aboard a SpaceX Falcon Heavy rocket.
Learn more about SpaceX's Falcon Heavy rocket, the world's most powerful booster, which made its debut flight on Feb. 6, 2018.
Related Topics: SpaceX, Rocket Launches, NASA Space Launch System, Virgin Galactic, Space Tourism