What was the original military project name for the satellite system we now call GPS when development began in 1973?
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The US Department of Defense officially initiated the program under the name NAVSTAR GPS, which stands for Navigation System with Timing and Ranging. Transit was actually an earlier, separate satellite navigation system used by the US Navy starting in the 1960s. The first experimental Navstar satellite was launched into orbit in 1978. Photo: U.S. Air Force, Wikimedia Commons, Public domain.
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Source: Wikipedia (CC BY-SA)
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