The Air Force has awarded Lockheed Martin a $46.8 million contract to upgrade its AN/FPS-117 long-range surveillance atmospheric warning system radars, shown here, throughout the US and Canada, the company announced Nov. 7, 2011.
Daily Report: Read the day's top news on the US Air Force, airpower, and national security issues.
Daily Report: Read the top news on the US Air Force, airpower, and national security issues.
An F-35A Lightning II assigned to Hill AFB, Utah,
conducts a training flight with F-16 Fighting Falcons assigned to Kunsan
AB, Republic of Korea, over the city of Gunsan, on Dec. 1, 2017,
in preparation for Vigilant Ace 18.
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