The United States Naval Research Laboratory is the corporate research laboratory for the United States Navy and the United States Marine Corps. Located in Washington, DC, it was founded in 1923 and co
US Naval Research Laboratory in 2001
Starshine 3 satellite in lab
DN ST 91 01185
US Naval Research Lab
Global Positioning System
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The Global Positioning System is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta 31. It is one of the global navigation satellite sy
United States Naval Research Laboratory
…satellite. NRL's Galactic Radiation and Background I (GRAB I) was the first U.S. intelligence satellite, mapping out Soviet radar networks from space. The Global Positioning System (GPS) was invented at NRL and tested by NRL's Timation series of satellites. The first operational GPS satellite, Timation IV (NTS-II) was designed and…
Artist's impression of GPS Block IIIA satellite in Earth orbit
Late 1990s civilian GPS receiver ("GPS navigation device") in a marine application
Automotive navigation system in a taxicab, 2000s
A United States Space Force officer operates the Global Positioning System in 2022.