Robert E. Bohan Jr., 63, a retired Air Force colonel and a life insurance agent in Washington since 1961, died of cancer Friday at Malcolm Grow Medical Center at Andrews Air Force Base.

During World War II, Col. Bohan flew 19 combat missions over Japan in B-29 (Surperfortress) bombers, He was awarded the Air Medal with oak leaf cluster and the Legion of Merit.

After the war, he served with the Military Air Transport Service and was comptroller at Air Force installations in California and the Philippines before retiring in 1961.

He then worked in Washington as a field representative for the United Services Life Insurance Company.

Col. Bohan was a native of Nashville, Tenn., and a graduate of Vanderbilt University. He alsowas a graduate of the Air War College and the Air Command and Staff School.

He was a member of the Daedalians and the Retired Officers Association of Greater Washington.

He is surviv ed by his wife, Jean L., of the home in Upper Marlboro; a son, Air Force Lt. Thomas C., of Waldorf; two daughters, Teresa B. Lachin, of Gaithersburg, and Lyn B. Chapdelaine, of Boston; two brothers, James J., OF Nashville, and John L., of San Francisco, and eight grandchildren.