Senior Master Sgt. Ray Lewis, a refueling boom operator assigned to the 18th Air Refueling Squadron, 931st Air Refueling Group, McConnell Air Force Base, Kan., peers down at the receiving aircraft from the boom pod of a KC-135 Stratotanker during a refueling flight. Lewis has been a boom operator on the KC-135 Stratotanker for more than twenty years. (Photo courtesy of Ray Lewis)