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770623-N-NO204-0001.JPG Photo By: U.S. Naval Research Laboratory

WASHINGTON - Navigation Technology Satellite – II (Timation IV): NTS-II, the first satellite completely designed and built by NRL under GPS Joint Program funding. It was the first of a four-satellite constellation configured to demonstrate instantaneous navigation positioning. NTS-II was the first operational NAVSTAR GPS Satellite. Launch Date: June 23, 1977. (U.S. Navy photo; 78375; c. 1977)


This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit.

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