Tech. Sgt. Casey Dover, 14th Airlift Squadron NCO in charge of current operations, looks out of the cargo door of a C-17 Globemaster III before a cargo drop training exercise at Joint Base Charleston, S.C., May 5, 2017. Loadmasters are charged with supervising the loading and unloading of cargo, vehicles and people on aircrafts.

Capt. Keane Carpenter, 14th Airlift Squadron C-17 pilot, touches the Squadron’s “Pelican like a champion today” mural for good luck prior to a training exercise at Joint Base Charleston, S.C., May 5, 2017. Carpenter, along with his crew, dropped a cargo load during the exercise.

Loadmasters from the 14th Airlift Squadron load cargo into the bay of a C-17 Globemaster III during a training exercise at Joint Base Charleston, S.C., May 5, 2017. The 14th Airlift Squadron, 437th Airlift Wing, provides combat-ready aircrews for worldwide, direct-delivery airlift supporting rapid global mobility efforts of the Air Force.

A box sits in the cargo bay of a C-17 Globemaster III before a training exercise at Joint Base Charleston, S.C., May 5, 2017. Airmen of the 14th Airlift Squadron dropped the cargo box above a landing zone during the exercise.

Tech. Sgt. Casey Dover, 14th Airlift Squadron NCO in charge of current operations, puts on his helmet before a flight on a C-17 Globemaster III at Joint Base Charleston, S.C., May 5, 2017. Loadmasters supervise the loading and unloading of cargo, vehicles and people to and from aircraft.

Tech. Sgt. Casey Dover, 14th Airlift Squadron NCO in charge of current operations, waits for takeoff on a C-17 Globemaster III at Joint Base Charleston, S.C., May 5, 2017. The 14th AS, 437th Airlift Wing, performed a cargo drop as part of training during a local flight.

Capt. Keane Carpenter, left, 14th Airlift Squadron C-17 pilot, and Capt. Teri Boivin, right, 14th AS C-17 pilot, fly a C-17 Globemaster III during a cargo drop training exercise at Joint Base Charleston, S.C., May 5, 2017. The 14th AS, 437th Airlift Wing, provides combat-ready aircrews for worldwide, direct-delivery airlift supporting rapid global mobility efforts of the Air Force.