SVN23, the first Block IIA satellite to be launched (as PRN23), has been reactivated as PRN32. This satellite was launched on November 26, 1990, and initially decommissioned on February 13, 2004, ...
The U.S. Air Force Space and Missile Systems Center (SMC) announced in late August that the long-planned upgrade of the GPS command and control system will occur during the second week of September, ...
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