-
TRANSIT is developed
The first operational satellite-based navigation system TRANSIT is developed by the John Hopkins Applied Physics Laboratory (APL). -
MOSAIC is created
-
SECOR satellites 2, 3, 4 and 5 are launched.
-
SECOR 1 IS LAUNCED
-
SECOR satellites 6, 7 and 8 are launched.
-
The TRANSIT is made available to civilians
-
TIMATION-2 is launched.
-
Phase I of the GPS program NAVSTAR laumched
-
Rockwell International is selected as the satellite contractor for GPS
-
GPS satellites and broadcast signals tested in Yuma, AZ
-
NAVSTAR satellites 1, 2, 3 and 4 are launched
-
NAVSTAR satellites 5 and 6 are launched.
-
NAVSTAR 7 is lost due to launch failure.
-
GPS first made available to civilians
-
DoD made L2 available to civilians - beginning of mass production