SAULT STE. MARIE, Mich. -- David Paul Keown, 67, passed away Saturday, Dec. 3, 2010. Memorial service: 2 p.m. Saturday, Jan. 29, at White's Funeral Home in Springtown. Dave was an engineer in the United States Air Force, achieving the rank of technical sergeant before retiring and working as a computer aviation engineer for Lockeed Martin. He was a veteran of Operation Desert Storm and Vietnam. Dave was truly a caring person who will be missed greatly.White's Funeral Home Springtown, 817-220-7111