U.S. Air Force Airmen from the 44th Aircraft Maintenance Unit prepare an F-15C Eagle for a training surge on Kadena Air Base, Japan, Jan. 15, 2015. The 44th Fighter Squadron usually conducts training surges three to four times a year. When executed properly, it has a positive effect on unit pride and displays how effective Air Force maintenance practices are. (U.S. Air Force photo by Naoto Anazawa)