Thor DM-21 Ablestar | Transit 2A
Launch Successful
L - -- : -- : -- : --
Instantaneous launch window.
Launch Window
June 22, 1960, 5:54 a.m. - June 22, 1960, 5:54 a.m.
Instantaneous launch window.
June 22, 1960, 5:54 a.m. - June 22, 1960, 5:54 a.m.
The Transit system was the first satellite navigation system to be used operationally. The system was primarily used by the U.S. Navy to provide accurate location information to its Polaris ballistic missile submarines, and it was also used as a navigation system by the Navy's surface ships, as well as for hydrographic survey and geodetic surveying.
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