https://techcrunch.com/2020/05/16/watch-live-as-ula-launches-a-secretive-u-s-military-spaceplane-live-for-its-sixth-mission/

On Saturday, the United Launch Alliance (ULA) is targeting a liftoff time of 8:24 AM EDT (5:24 AM PDT) for one of its Atlas V rockets carrying the U.S. Space Force’s X-37B orbital test vehicle, which is a fully autonomous winged spaceplane that looks a little like a scaled down version of the Space Shuttle .

This is the sixth mission for the X-37B, though it’s the first flown under the U.S. Space Force’s supervision, since the space plane was previously operated by the Air Force before the formation of the new wing of the U.S. armed forces.