On Friday, July 22 at 10:39 a.m. PT, Falcon 9 launched 46 Starlink satellites to low-Earth orbit from Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base, California.
This was the fourth flight for the Falcon 9 first stage booster supporting this mission, which previously launched NROL-87, NROL-85, and SARah-1.