December 28, 2023, at 8:07 p.m. EST

​SpaceX's Falcon Heavy launches USSF-52 with the seventh classified X-37B spaceplane also known as Orbital Test Vehicle-7 (OTV-7) from Florida's Kennedy Space Center Launch Complex 39A.

​Eight and a half minutes after liftoff, the rocket's two side boosters landed at Landing Zone 1 and 2 at Cape Canaveral Space Force Station, and the core stage was expended.