As a full general, he served as Commander, Allied Land Forces South East Europe, and as the United States Military Representative to the North Atlantic Treaty Organization.

He reported for duty with the 7th Armored Division, and during World War II led an assault gun platoon in France, and later a reconnaissance troop in Germany, which linked up with the Russians, advancing from the east, in Ganzlin, northwest of Berlin.

After his time in Vietnam, he became Secretary of the Army General Staff, and on 23 March 1970 he became the 49th Superintendent of the United States Military Academy, an assignment he held for four years.

In 1974, during his tenure, the United States Supreme Court reaffirmed West Point's right to enforce the Honor Code in response to two challenges from cadets.

Promoted to full General in 1976, he took command of Allied Land Forces South East Europe, and finished his career as the United States Representative on NATO's Military Committee.