Staff Sgt. Kenneth Clonts, 756th Air Refueling Squadron boom operator, shows Capt. Eric DeTurk, 316th Security Forces Squadron section commander, how the flying boom works on a KC-135 Stratotanker during an incentive flight on Feb. 29, over the coast of North Carolina. The KC-135 Stratotanker's principal mission is air refueling. The KC-135 is also capable of transporting litter and ambulatory patients using patient support pallets during aeromedical evacuations. (US Air Force/A1C Andrew Polvino)