Live coverage: SpaceX to launch final GPS III satellite for the U.S. Space Force
This is the final spacecraft of this generation of precision, navigation, and timing satellites before the U.S. Space Force shifts to launching GPS IIIF satellites. Liftoff from pad 40 at Cape Canaveral Space Force Station is scheduled during a 15-minute launch window opens at 2:53 a.m. EDT (0653 UTC).
Published by Spaceflight Now on 04/21/2026