Editing Sherwood C. Spring (section)

==Experience==
After graduation from West Point in 1967, Spring served two tours of duty in [[Vietnam War|Vietnam]]. The first was from 1968 to 1969 with the [[101st Airborne Division]]. The second tour, 1970–1971, came immediately after flight school, where he served as a [[helicopter]] pilot with the [[1st Cavalry Division (United States)|1st Cavalry Division]]. Upon return, he received fixed wing training en route to a master's degree program with the University of Arizona in 1974. After a short tour at [[Edwards Air Force Base]], [[California]] as a [[flight test engineer]], he attended the [[U.S. Naval Test Pilot School]] at [[NAS Patuxent River]], [[Maryland]]. He then returned to the army's Flight Test Facility at Edwards AFB to complete four years as an experimental [[test pilot]].<ref name=nasabio/>

He has military and civilian experience in 25 types of [[airplane]]s and helicopters and has logged more than 3,500 hours flying time—including over 1,500 hours in jet aircraft.<ref name=nasabio/>