TAG: Vanguard

History of the program: NTS-1, 2 and 3. (Illustration: Lt. Jacob Lutz, AFRL Space Vehicles Directorate)

U.S. Air Force to put NTS-3 into geostationary orbit

November 25, 2019

The Air Force seems to be on track to experiment with positioning, navigation and timing (PNT) satellites in […]


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