U.S. Department of Defense

About

The United States federal department responsible for the armed forces.

Role in innovation

Funded, built, and operates the Global Positioning System (NAVSTAR GPS), later opened for civilian use worldwide.

Associated inventions

• Satellite Navigation (GPS)

Sources & further reading

Each citation names the publisher and the exact reference title.

• GPS.gov — official U.S. government information about the Global Positioning SystemU.S. Space Force / GPS.gov · Government / archive
• NASA — Global Positioning System history & applicationsNASA · Government / archive

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