A U.S. Air Force F-16CM Fighting Falcon sits in the 20th Maintenance Group weapons standardization hangar prior to a monthly qualification load at Shaw Air Force Base, S.C., Jan. 10, 2019. Load crews across the 55th, 77th and 79th Aircraft Maintenance Units are required to perform monthly qualifications to remain proficient in various munitions.
U.S. Air Force photo by Senior Airman Christopher Maldonado