U.S. Space Force prepares to launch mysterious X-37B space plane

The United States Space Force (USSF) is preparing to launch the seventh mission of the X-37B Orbital Test Vehicle. The seventh mission, also known as OTV-7 (Orbital Test Vehicle-7), will be the first to launch on a SpaceX Falcon Heavy rocket on December 10, 2023. The X-37B is primarily used as a testbed for new technologies.