GPS III Navigation Satellite

Full Specifications

The GPS III navigation satellite is the latest evolution of the Global Positioning System operated by the United States Space Force. Designed to replace aging GPS II satellites, GPS III strengthens the backbone of modern navigation, timing, and precision warfare used daily by U.S. forces and allies.

Developed by Lockheed Martin, GPS III provides more accurate positioning data, greater signal strength, and better resistance to jamming and spoofing. These improvements support everything from smart weapons and aircraft navigation to encrypted military timing and civilian infrastructure synchronization.

Mission and Core Capabilities

GPS III satellites broadcast enhanced signals for both military and civilian users. The new M Code military signal is up to three times more accurate and eight times more resistant to interference than previous versions. This ensures reliable navigation in contested environments, including electronic warfare scenarios.

GPS III operates in Medium Earth Orbit, allowing global coverage with fewer satellites. Each spacecraft features improved atomic clocks, advanced digital payloads, and secure command and control links.

Operational Use

GPS III supports precision guided munitions, aircraft navigation, naval operations, missile guidance, and joint force coordination. Civilian users benefit from improved accuracy for aviation, emergency services, and financial networks. The system is fully interoperable with allied navigation systems such as Galileo.

GPS III Navigation Satellite Price

The estimated unit cost of a GPS III satellite for the United States ranges between USD 550 to 600 million, including advanced payloads, cybersecurity upgrades, and long term operational support. Costs vary based on launch vehicle and ground system integration.

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