437th AMXS: The key to airlift success

Senior Airman Daniel Kardas, 437th Aircraft Maintenance Squadron aerospace equipment journeyman, operates ground equipment that replenishes liquid oxygen systems on a C-17 Globemaster III, May 9, 2019, at Joint Base Charleston, S.C. The 437th AMXS is comprised of combat-ready maintainers and support personnel who inspect, service and maintain the assigned C-17 aircraft at JB Charleston. (U.S. Air Force photo by Airman 1st Class Joshua R. Maund)