Lindsay's military career began when he enlisted in the Army in 1952. He graduated from the
U.S. Army Officer Candidate School in May 1953 as a Second Lieutenant in the Infantry. His military education includes the Infantry Officer Advanced Course, Army Language School (German and Russian) the
US Marine Corps Command and Staff College and the
National War College. He earned a bachelor's degree from the
University of Nebraska at Omaha and a Master of Science degree in Foreign Affairs from
George Washington University. Lindsay commanded units at all levels, from platoon through
MACOM, in both peacetime and war. His first assignments were with the
82nd Airborne Division,
7th Special Forces Group and Military Intelligence. Within the 82nd Airborne Division he held eight assignments, from platoon to division level. During the Vietnam War, he was an advisor to the Vietnamese Airborne Brigade, commanded the 2nd Battalion,
60th Infantry Regiment,
9th Infantry Division and was the G3 (Assistant Chief-of-Staff, Operations and Plans) for the 9th Infantry Division. As a general, Lindsay commanded the 82nd Airborne Division, the
United States Army Infantry School, the
XVIII Airborne Corps, the
United States Readiness Command, and was the first Commander in Chief,
United States Special Operations Command. General Lindsay retired 1 July 1990. ==Post military==