Oct 21 1989
From The Space Library
An Air Force Delta 2 launch vehicle was successfully launched from Cape Canaveral Air Force Station, Florida, carrying the fourth NAVSTAR navigation satellite. The NAVSTAR would become part of an eventual 21-satellite Global Positioning System (GPS) navigation network. (SSR 1989 085 A-C; NY Times, Oct 22/89; W Times, Oct 23/89)
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