U.S. Space Force's X-37B reusable space plane is set to take off on its seventh mission on Dec. 7, 2023, its first launch atop a SpaceX Falcon Heavy rocket.

SpaceX will launch the Space Force's mysterious X-37B space plane on a Falcon Heavy rocket Dec. 7

Source: space
Source Link: https://www.space.com/space-force-x-37b-spacex-falcon-heavy-1st-launch-dec-2023