Senior Airman William Krivachek, 476th Maintenance Squadron (MXS) fuel systems repair journeyman, checks standpipes and electrical connectors for damage Feb. 5, 2020, at Moody Air Force Base, Georgia. Part of the 23d Maintenance Squadron and 476th MXS missions includes collaborating to inspect and troubleshoot fuel cells and maintain maintenance records. Aircraft fuel systems Airmen are responsible for repairing aircraft hydraulic systems and inspecting fuel cells and tanks for foreign objects, corrosion, cell deterioration and fungus. (U.S. Air Force photo by Airman 1st Class Jasmine M. Barnes)