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SpaceX Launches Final GPS III Satellite

April 21, 2026

2 min read

Key Takeaways

SpaceX launches final GPS III satellite for US Space Force.
GPS III SV10 satellite named 'Hedy Lamar' after actress and inventor.
Falcon 9 rocket uses reused booster and payload fairing.
Mission marks fourth GPS satellite launch on Falcon 9.

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Strategic Implications

This launch may signal the end of an era for GPS III development and could indicate a shift towards the next-generation GPS IIIF satellites. The use of reused boosters and payload fairings suggests a continued focus on cost savings and sustainability in space launch operations.

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What Happened

US Space Force Completes GPS III Constellation With Falcon 9 Mission

The US Space Force has launched its final Global Positioning System (GPS) III satellite into medium Earth orbit on a SpaceX Falcon 9 rocket. The GPS III SV10 satellite, named ‘Hedy Lamar’, is the last of its kind and marks the completion of the GPS III constellation. The mission was launched from Cape Canaveral Space Force Station and used a reused booster and payload fairing. The satellite will join a fleet of 38 spacecraft in medium Earth orbit and will undergo on-orbit testing before being handed over to the Space Force. This launch was reported by Spaceflight Now.

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