The U.S. Space Force has cleared SpaceX to launch a Falcon 9 rocket carrying the NROL-172 mission to low-Earth orbit on Monday, May 11, 2026.
Liftoff from Space Launch Complex 4 East (SLC-4E) at Vandenberg is targeted for 3:28 p.m. PT, with an available launch window extending to 7:28 p.m. PT. A backup opportunity is scheduled for Tuesday, May 12 at 3:15 p.m. PT if needed.
A live webcast is slated to begin about 10 minutes before liftoff at spacex.com/launches/nrol172, on X @SpaceX, and via the X TV app…