Video: Fourth X-37B launch highlights

A replay of the United Launch Alliance Atlas 5 rocket launching the Air Force’s X-37B reusable spaceplane from Cape Canaveral, Florida.

The shift in launch date is to allow more time to build in redundancy to account for the helium leak. The launch is currently scheduled for no earlier than Saturday, May 25, at 3:09 p.m. EDT (1909 UTC).

NASA and SpaceX have delayed the launch of the Crew Dragon “Resilience” spacecraft from the Kennedy Space Center until 7:27 p.m. EST Sunday (0027 GMT Monday) to wait for improved downrange weather and sea conditions, and better onshore winds at the launch site.