Robert H. McCutcheon, 63, an assistant postmaster general of the United States and a retired major general in the Air Force, died of cancer Wednesday at the Woodbine nursing home in Alexandria. He was a resident of Springfield.

Gen. McCutcheon was a combat pilot in the Pacific during the early days of World War II. He commanded an Army Air Forces bombardment squadron during the Battle of the Bismarck Sea before returning to Air Forces headquarters in Washington in 1943.

After the war, he specialized in logistics, serving in Spain and at Wright-Patterson Air Force Base in Ohio. In Washington, he was director of procurement policy in the office of the assistant secretary of Defense for installations and logistics and then deputy director of contract administration services with the Defense Supply Agency. He retired from the Air Force in 1971.

Later that year Gen. McCutcheon became assistant postmaster general for procurement and supply, a post he held until his death.

His military decorations included the Distinguished Service Medal, three Legions of Merit and the Air Medal.

He was a member of the Retired Officers Association, the Air Force Association and the Order of Daedelians.

Gen. McCutcheon was a native of Damascus, Va., and a 1939 graduate of Brea College in Berea, Ky.In 1949, he earned a master's degree in business administration at Harvard University. He also was a graduate of the Industrial College of the Armed Forces. He joined the Army Air Corps in March 1940 and earned his pilot wings the following year.

Survivors inlcude his wife, Elizabeth White McCutcheon of Springfield; two sons, Air Force Maj. Robert H. Jr., who is serving in Riyadh, Saudi Arabia, and Patrick J., of Logan, Utah; two brothers, John R., of Richmond, and William, of Charlotte, N.C.; two sisters, Betty Jane Mullin of Pocahontas, Va., and Mary McCutcheon of Charlotte, and two grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Hospice of Northern Virginia in Arlington.