U.S. Air Force Staff Sgt. Bryson Ott, 8th Civil Engineer Squadron generator systems non-comissioned officer in charge, checks the data readings of a diesel generator at Kunsan Air Base, Republic of Korea, Dec. 20, 2018. Several facilities are equipped with emergency power systems to keep their operations going in austere conditions. (U.S. Air Force photo by Senior Airman Stefan Alvarez)