U.S. Air Force Staff Sgt. Kevin Weisser, 1st Maintenance Group crash recovery technician, adjusts the position of an F-15 Eagle static display using an aircraft tow tractor at Langley Air Force Base, Va., Oct. 4, 2014. The Eagle being put on display was the last F-15 to fly a mission out of Langley Air Force Base. (U.S. Air Force photo by Airman 1st Class Devin Scott Michaels/Released)