Senior Airman Sean McGrath, a crew chief assigned to the 437th Aircraft Maintenance Squadron, removes a screw while replacing a window on the flightdeck of a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., April 28, 2020. The 437th AMXS is still generating aircraft to support local training flights, missions from Air Mobility Command and supporting training for aeromedical evacuation personnel while being critically manned during the COVID-19 pandemic. The 437th AMXS is also implementing physical distancing when possible and following other Centers for Disease Control guidelines. Additionally, they have trained some of their personnel to decontaminate aircraft before and after missions to keep aircrews and 437th AMXS personnel safe. (U.S. Air Force Photo by Staff Sgt. Megan Munoz)

Senior Airman Dennis Powers, right, and Senior Airman Sean McGrath, left, both crew chiefs assigned to the 437th Aircraft Maintenance Squadron, removes a screw while replacing a window on the flightdeck of a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., April 28, 2020. The 437th AMXS is still generating aircraft to support local training flights, missions from Air Mobility Command and supporting training for aeromedical evacuation personnel while being critically manned during the COVID-19 pandemic.The 437th AMXS is also implementing physical distancing when possible and following other Centers for Disease Control guidelines. Additionally, they have trained some of their personnel to decontaminate aircraft before and after missions to keep aircrews and 437th AMXS personnel safe. (U.S. Air Force Photo by Staff Sgt. Megan Munoz)

Senior Airman Spencer Coole, an aircraft structural maintenance journeyman assigned to the 437th Aircraft Maintenance Squadron, removes a stripped screw while replacing a window on the flightdeck of a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., April 28, 2020. The 437th AMXS is still generating aircraft to support local training flights, missions from Air Mobility Command and supporting training for aeromedical evacuation personnel while being critically manned during the COVID-19 pandemic. The 437th AMXS is also implementing physical distancing when possible and following other Centers for Disease Control guidelines. Additionally, they have trained some of their personnel to decontaminate aircraft before and after missions to keep aircrews and 437th AMXS personnel safe. (U.S. Air Force Photo by Staff Sgt. Megan Munoz)

Airmen assigned to the 437th Aircraft Maintenance Squadron install a new window in the flightdeck of a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., April 28, 2020. The 437th AMXS is still generating aircraft to support local training flights, missions from Air Mobility Command and supporting training for aeromedical evacuation personnel while being critically manned during the COVID-19 pandemic. The 437th AMXS is also implementing physical distancing when possible and following other Centers for Disease Control guidelines. Additionally, they have trained some of their personnel to decontaminate aircraft before and after missions to keep aircrews and 437th AMXS personnel safe. (U.S. Air Force Photo by Staff Sgt. Megan Munoz)

Staff Sgt. Eugino Rivas, left, and Senior Airman Sean McGrath, right, both crew chiefs assigned to the 437th Aircraft Maintenance Squadron, install a new window in the flightdeck of a C-17 Globemaster III aircraft at Joint Base Charleston, S.C., April 28, 2020. The 437th AMXS is still generating aircraft to support local training flights, missions from Air Mobility Command and supporting training for aeromedical evacuation personnel while being critically manned during the COVID-19 pandemic. The 437th AMXS is also implementing physical distancing when possible and following other Centers for Disease Control guidelines. Additionally, they have trained some of their personnel to decontaminate aircraft before and after missions to keep aircrews and 437th AMXS personnel safe. (U.S. Air Force Photo by Staff Sgt. Megan Munoz)