Liberty Airmen from the 492nd Aircraft Maintenance Unit check over the F-15E Strike Eagle to ensure it is ready for take-off at Los Llanos Air Base, Spain, Jan. 29, 2015. The 492nd Fighter Squadron was in Spain as part of the 2015 Tactical Leadership Programme that was cut short as a result of an aircraft crash on Jan. 26, 2015. (U.S. Air Force photo by Airman 1st Class Erin R. Babis/Released)