A SpaceX Falcon Heavy rocket launched the X-37B space plane for the U.S. Space Force on Dec. 28, 2023 at 8:07 p.m. EST (0107 GMT Dec. 28). Full Story: https://www.space.com/spacex-falcon-heavy-x-37b-space-plane-launch-success

"The X-37B is a spaceplane that has launched several classified long-duration missions in space, but it is unclear why it is launching on the more massive Falcon Heavy as opposed to the workhorse Falcon 9 that SpaceX has launched it on before," according to Space.com.

Broadcast courtesy SpaceX