Lt. Col. John Polumbo, C-17 Globemaster III pilot, briefs his crew prior to a flight at Joint Base Charleston, South Carolina, March 20, 2019. C-17 pilots support potential armed contingencies, peacekeeping or humanitarian missions worldwide.

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Keywords: -17, 15th, 1ctcs, 1st, air, airlift, archive, armed, camera, combat, defence, force, forces, military, refueling, reportage, servicemen, squadron, usa