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The United States launches Transit 1-B, the world's first satellite navigation system.
Related Wikipedia articles
Transit (satellite)
Satellite navigation system
The Transit system, also known as NAVSAT or NNSS, was the first satellite navigation system to be used operationally. The radio navigation system was primarily used by the U.S. Navy to provide accurate location information to its Polaris ballistic missile submarines, and it was…Source: Wikipedia (CC BY-SA)
Satellite navigation
Use of satellite signals for navigation or geo-spatial positioning
Satellite navigation (satnav) or satellite positioning is the use of artificial satellites for navigation or geopositioning. A global navigation satellite system (GNSS) provides coverage for any user on Earth, including air, land, and sea. There are four operational GNSS…Source: Wikipedia (CC BY-SA)