Delta II Orbits Another Modernized GPS Satellite
Credit: BEN COOPER/AW&ST
Upgrades to the U.S. Air Force GPS constellation continue with the launch Mar. 15 of the sixth “modernized” Lockheed Martin GPS block IIR-M spacecraft, boasting dual civilian-channel capability. The 254-ton Delta II carrying the new $75-million GPS IIR-19M thundered aloft from Launch Complex 17 at...
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