An F-15C Eagle taxis down the flightline May 7 at Elmendorf Air Force
Base, Alaska, during a simulated alert launch as part of Alaska
Shield/Northern Edge 2007. The exercise is part of the national level
Ardent Sentry/Northern Edge 2007 -- a joint chiefs of staff-directed,
U.S. Northern Command-sponsored homeland defense and Defense Support of
Civil Authorities exercise. (U.S. Air Force photo)
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