Noonan was born on November 18, 1943, in
Brooklyn, New York. He graduated from
Grover Cleveland High School in Ridgewood, New York in June 1961 and attended
Hunter College in the Bronx, New York, graduating with a
B.A. degree in
Physical Education in June 1966. Coincidentally, he grew up with Sergeant
Robert Emmett O’Malley, who would also be awarded the Medal of Honor in Vietnam. The two attended school and church together and were friends throughout childhood. After Noonan's death in Vietnam, O'Malley remained in contact with the Noonan family and visited Noonan's mother every year on
Memorial Day. He enlisted in the
U. S. Marine Corps Reserve in Brooklyn, New York on December 26, 1967, and was subsequently discharged to enlist in the
Regular Marine Corps on January 31, 1968. Private Noonan completed
recruit training with the 3rd Recruit Training Battalion,
Marine Corps Recruit Depot Parris Island, South Carolina in April 1968, and was promoted to
private first class on April 1, 1968. Transferred to the
Marine Corps Base Camp Lejeune, North Carolina, he underwent individual combat training with the 1st Battalion, 1st
Infantry Training Regiment. Ordered to the
Republic of Vietnam in July 1968, he was assigned duty as
mortar man with H&S Company, 2nd Battalion,
27th Marines,
1st Marine Division (Rein), FMF. In August, he was reassigned to the
3rd Marine Division where he saw combat as a
rifleman, M-79 Man with Company G,
2nd Battalion, 9th Marines. He was promoted to
Lance Corporal on January 1, 1969. Noonan was
killed in action on February 5, 1969, while participating in action against the enemy during
Operation Dewey Canyon south of
Vandegrift Combat Base in
Quang Tri Province. ==Decorations==