Air Force Reserve Tech. Sgt. Joseph Bush, crew chief, 315th Aircraft Maintenance Squadron, Joint Base Charleston, , performs maintenance on a C-17 Globemaster III, Jan. 22, 2022, here. The maintenance was performed as part of a pre-flight update to ensure that the C-17 is ready to fly future missions. ( Air Force photo by Senior Airman William Brugge)

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Keywords: affairs, base, charleston, gg444, jbchs, joint, pa, photojournalism, public