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GPS III - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
As GPS 3 launch nears, Air Force keeps watchful eye on ground controls - SpaceNews
Benefits coming from GPS III constellation - GPS World
First GPS III Satellite Launched, but Future Path Still Up in the Air – MeriTalk
GPS Block III SV04 | Falcon 9 | Everyday Astronaut
SpaceX launches third GPS Block III satellite - NASASpaceFlight.com