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., poses with fellow boom operator, Tech. Sgt. Kenny Stewart, during a civic leader flight, April 1, 2011. Lewis has been a boom operator on the KC-135 Stratotanker for more than twenty years. (U.S. Air Force photo by Master Sgt. Jeff Walston)