A SpaceX Falcon Heavy rocket launched the USSF 52 mission for the U.S. Space Force. The Falcon Heavy launched the experimental X-37B Orbital Test Vehicle on this mission. This was the seventh flight of this spacecraft on a mission also known as OTV-7. This was the first launch of an X-37B using a Falcon Heavy rocket. Delayed from October 2021 and 2nd Quarter 2022. Delayed from October 2022 and June 23, delayed from July 6, Dec 7, 10, 11 and 12.