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- The GPS project was started by the US Department of Defense in 19731. The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 199321. Originally limited to use by the United States military, civilian use was allowed from the 1980s following an executive order from President Ronald Reagan after the Korean Air Lines Flight 007 disaster2.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The US Department of Defense started the GPS project in 1973 and its full constellation of 24 satellites became operational in 1993, first for military use and three years later for civilian use as well.www.bbvaopenmind.com/en/technology/visionaries…The first prototype spacecraft was launched in 1978 and the full constellation of 24 satellites became operational in 1993. Originally limited to use by the United States military, civilian use was allowed from the 1980s following an executive order from President Ronald Reagan after the Korean Air Lines Flight 007 disaster.en.wikipedia.org/wiki/Global_Positioning_System
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List of GPS satellites - Wikipedia
As of 15 August 2023 , 83 Global Positioning System navigation satellites have been built: 31 are launched and operational, 4 are unhealthy or in reserve, 41 are retired, 2 were lost during launch, and 1 prototype was never launched. 4 Block III satellites have completed construction and have been … See more
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WEBJul 20, 2020 · Parkinson was a colonel in the U.S. Air Force and in 1972 was appointed the program manager of Project 621B, which developed, built, and launched the first GPS satellites. He received the 2018 IEEE …
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