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  1. Early years. After the launch of mankind's first artificial satellite, Sputnik 1, by the Soviet Union on October 4, 1957, Mao decided during the National Congress of the Chinese Communist Party on May 17, 1958 to make China an equal with the superpowers ("我们也要搞人造卫星") (We need to develop the artificial satellite too), by adopting Project 581 with the objective of placing a ...

  2. The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of the global navigation satellite systems (GNSS) that provides geolocation and time information to a GPS receiver anywhere on or near the Earth ...