U.S. Airmen assigned to the 77th Aircraft Maintenance Squadron work on an F-16CM Fighting Falcon in the 20th Maintenance Group (MXG) weapons standardization hangar at Shaw Air Force Base, S.C., Aug. 9, 2018. The weapons standardization hangar is utilized by the 20th MXG to help train and strengthen Airmen’s skills in applying munitions onto F-16s. (U.S. Air Force photo by Senior Airman Christopher Maldonado)