Airman 1st Class Colby Dean conducts a post flight inspection on an F-15E Strike Eagle in preparation for the Blue Flag exercise Nov. 19, 2013, at Uvda Air Force Base, Israel. Blue Flag was a multinational aerial warfare exercise hosted by Israel, which promoted improved operational capability, combat effectiveness, understanding and cooperation between the U.S., Israel, Greece, and Italy. Dean is crew chief with the 48th Aircraft Maintenance Squadron. (U.S. Air Force photo/Master Sgt. Lee Osberry)