United States Space Force launches seventh X-37B mission Published Dec. 29, 2023 KENNEDY SPACE CENTER, Fla. (AFNS) -- The United States Space Force, in partnership with SpaceX, successfully launched USSF-52 on a Falcon Heavy rocket at 8:07 p.m. Eastern Time, Dec. 28, 2023, from Kennedy Space Center Launch Complex 39A.The SpaceX rocket carried into orbit an X-37B Orbital Test Vehicle (OTV), marking the seventh space flight for the X-37B program and its first launch on a Falcon Heavy. The X-37B tests include operating in new orbital regimes, experimenting with space domain awareness technologies and investigating radiation effects to NASA materials. A SpaceX Falcon Heavy rocket launches USSF-52 carrying a United States Space Force X-37B Orbital Test Vehicle from Kennedy Space Center Launch Complex 39A. (U.S. Space Force photo) Photo Details / Download Hi-Res A SpaceX Falcon Heavy rocket is prepared for launch prior to USSF-52 carrying a United States Space Force X-37B Orbital Test Vehicle from Kennedy Space Center Launch Complex 39A. (U.S. Space Force photo) Photo Details / Download Hi-Res A SpaceX Falcon Heavy rocket launches USSF-52 carrying a United States Space Force X-37B Orbital Test Vehicle from Kennedy Space Center Launch Complex 39A. (U.S. Space Force photo) Photo Details / Download Hi-Res “My memories go back to the Gemini and Mercury programs,” said Secretary of the Air Force Frank Kendall. “This is an incredible event, and I think about the teamwork over all those decades that has led to what has been a revolutionary improvement in space travel capability. We have come so far, and it’s been teamwork by the government; the Air Force and now the Space Force, which didn’t exist until a few years ago; NASA; industry teams; and so many others that all contributed to what we saw tonight.”The X-37B is a reusable, unmanned spacecraft that strengthens the United States’ future in space by conducting technology experiments that expedite the development of next-generation capabilities.