Phase
Airman 1st Class Christopher Smith, 48th Equipment Maintanence Squadron F-15 phase inspection crew chief, removes panels underneath the engines of an F-15 Eagle Aug. 29 at RAF Lakenheath, England. During phase inspection, Airmen inspect the overall structural integrity, flight avionics and mechinical systems of the aircraft. (U.S. Air Force photo by Airman 1st Class Perry Aston)