Maintainers keep Red Flag-Alaska jets flying
Airman 1st Class Louis Hall (in cockpit) and Staff Sgt Robert Jackson, both from the 19th Aircraft Maintenance Unit at Tyndall Air Force Base, Fla., warm the cockpit of an F-15 Eagle, preparing it for takeoff during Red Flag-Alaska April 28 at Elmendorf AFB, Alaska. This exercise enables flying squadrons to enhance their warfighting capabilities by flying simulated combat sorties in a realistic threat environment.(U.S. Air Force photo/Senior Airman Matthew Owens)