Berry's career spanned two wars. He first saw duty as a company commander in
Korea. For service during the war in Korea, he was awarded two Silver Stars, a Bronze Star for Valor, a Purple Heart, and the Combat Infantryman Badge. After duty in the Korean War, he earned a graduate degree from
Columbia University (1951–1953). He was a military assistant to
Secretary of Defense Robert McNamara (1961–1964), traveling to
South Vietnam on multiple occasions. 1964–65, Berry was a student at the U.S. Army War College, in
Carlisle Barracks, PA. He would serve two and a half years in the
Vietnam War between 1965 and 1971. His second combat wound occurred during his first tour (1965–1966) when he was serving as senior
Military Assistance Command, Vietnam adviser to the
Army of the Republic of Vietnam 7th Division. His awards for his service in South Vietnam included the Distinguished Service Medal, 2 Silver Stars, two Distinguished Flying Crosses, two Legions of Merit, the Purple Heart, 42 Air Medals, and a second Combat Infantryman Badge. Following his tour as USMA Superintendent, Berry commanded the V Corps, US Army, Europe, from 1977 to 1980. He retired from active military service on 1 March 1980. ==Decorations==