Military Wiki
John J. Hennessey
General John J. Hennessey
Born (1921-08-20)August 20, 1921
Died March 20, 2001(2001-03-20) (aged 79)
Place of birth Chicago, Illinois
Place of death Tampa, Florida
Allegiance United States
Service/branch United States Department of the Army Seal.svg United States Army
Years of service 1944–1979
Rank US-O10 insignia.svg General
Commands held Readiness Command
101st Airborne Division
Battles/wars World War II
Korean War
Vietnam War
Awards Legion of Merit (2)
Bronze Star with "V" (4)
Air Medal (5)
Other work Board of Trustees, University of Tampa

John Joseph Hennessey (August 20, 1921 – March 20, 2001) was a United States Army four-star general who served as Commander in Chief, United States Readiness Command (USCINCRED) from 1974 to 1979.

Military career

After attending Saint Mary's University of Minnesota for three years, he enrolled in the United States Military Academy and graduated in 1944, receiving his commission in the infantry. He deployed to the Europe Theater, serving as a platoon leader and company commander.

In the Korean War he served on the staff of I Corps. By the Vietnam War he was a battalion commander in the 11th Air Assault Division, later serving as executive officer of the division's 1st Brigade. When the 11th Air Assault Division was converted to the 1st Cavalry Division (Air Mobile) in 1965, he accompanied that unit to Vietnam as executive officer of the 1st Brigade, later becoming brigade commander after being promoted to full colonel. As a brigadier general he served as assistant division commander of the 82nd Airborne Division, then became assistant division commander of the 101st Airborne Division, deploying with that unit to Vietnam as its commander in 1970.

In 1974 he received his fourth star and assumed command of the United States Readiness Command at MacDill Air Force Base in December 1974. He retired in 1979 at the end of that tour.


His awards and decorations include the Defense Distinguished Service Medal, the Army Distinguished Service Medal, Legion of Merit with Oak Leaf Cluster, the Bronze Star with "V" and three Oak Leaf Clusters, the Air Medal with four Oak Leaf Clusters, the Combat Infantryman Badge, Army Aviator Badge and Master Parachutist badge.

Post military career

After retiring from the Army, Hennessey served on the Board of Trustees of the University of Tampa and was executive director of the Tampa Bay Area Research and Development Authority under the University of South Florida.

Hennessey died of a stroke on March 20, 2001, at the age of 80.


Military offices
Preceded by
John Hancock Hay
Commandant of the Command and General Staff College
July 1, 73 – February 1976
Succeeded by
John H. Cushman

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