GPS III are the third generation of the U.S. Space Force’s NAVSTAR Global Positioning System satellites, developed by Lockheed Martin. The GPS III constellation will feature a cross-linked command and control architecture, allowing the entire GPS constellation to be updated simultaneously from a single ground station. A new spot beam capability for enhanced military coverage and increased resistance to hostile jamming will be incorporated.

The GPS III satellites are built on Lockheed Martin’s A2100 bus. The satellite features an apogee liquid propulsion system (possibly LEROS-1C) as well as 2 deployable solar arrays to generate power. L3Harris Technologies provides the navigation payload, and General Dynamics Advanced Information Systems provides the Network Communications Element (NCE) which includes the UHF Crosslink and Tracking Telemetry & Command (TTC) subsystems.

This mission uses a new booster which will be recovered via ASDS. SpaceX previously launched SV01 and SV03, and is contracted to launch SV05 and SV06 no earlier than 2021.

#SpaceX #GPSIII #GPS3

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