A SpaceX Falcon Heavy rocket will launch the USSF 52 mission for the U.S. Space Force. The Falcon Heavy will launch the experimental X-37B Orbital Test Vehicle on this mission. This will be the seventh flight of this spacecraft on a mission also known as OTV-7. This will be the first launch of an X-37B using a Falcon Heavy rocket. There is a 10-minute launch window for this mission. Delayed from October 2021 and 2nd Quarter 2022. Delayed from October 2022 and June 23, delayed from July 6, Dec 7, 10 & 11.