Launch Overview
Vehicle
Titan 401B/Centaur
Agency
United States Air Force
Site / Pad
CC / LC40
Outcome
Success
Flight
4B-25/TC-18 (K-25)
COSPAR Designator
1998-029
Mission
NROL-6 (Orion 4) (Government/Top Secret)
The Orion 3 and 4 (RIO 3, 4) satellites, which are generally known as 'Advanced Orion' or 'Mentor', are geostationary signals intelligence satellites, which replaced the Magnum / Orion series. Their purpose is to intercept missile telemetry from Russia and China and the COMINT capability of the Mercury satellites was merged into this series. These satellites are launched under the designation Program 7600.
Vehicle & Provider
Rocket
Titan IVB/Centaur
Provider
United States Air Force
Agency launches
993 (6 YTD)
Site launches
547 (8 YTD)
Pad launches
46 (1 YTD)