Secretary of the Air Force Michael B. Donley (right) joins Edmund G. Zelnio prior to his receiving the Department of Defense Medal for Distinguished Civilian Service from Secretary of Defense Dr. Robert M. Gates. The ceremony took place Oct. 21 in the Pentagon. Mr. Zelnio is a senior electrical engineer at the Air Force Research Laboratory at Wright-Patterson Air Force Base, Ohio. (U.S. Air Force photo/Master Sgt. Russell P. Petcoff)