USA-545


USA-545, also known as GPS-III SV08, NAVSTAR 84, and Katherine Johnson, is a United States navigation satellite which forms part of the Global Positioning System.

Satellite

SV08 is the eighth GPS Block III satellite to launch. The spacecraft is built on the Lockheed Martin A2100 satellite bus, and weighs in at.
The manufacturing contract was awarded on February 2013. The satellite was named "Katherine Johnson" in June 2020 following its successful core mate assembly. Declared "Available for Launch" on 10 June 2021.

Launch

USA-545 was launched by SpaceX on 30 May 2025 at, atop a Falcon 9 rocket, in a mission named as it was their 7th GPS launch.
The launch took place from SLC-40 at Cape Canaveral Space Force Station.