Senior Master Sgt. (Ret.) Dan Quasius
Senior Master Sgt. (Ret.) Dan Quasius spent more than three decades serving in the Air Force in the active duty and reserve. As a boom operator on KC-135 Stratotankers and KC-10 Extenders, Quasius saw the world and an amazing arsenal of American and international aircraft. He retired from the 349th Air Mobility Wing in 2013. (U.S. Air Force photo by Ken Wright)