"Throughout the 1950s and 1960s the 39th Air Division controlled all of the units responsible for the air defense of north Japan, which included northern Honshu and Hokkaido islands and the contiguous territorial waters."[1]
"In this role the 39th trained the assigned units and controlled aerial interception missions when Japanese air space was violated. The division also controlled air refueling and ECM missions, and trained personnel of the Japanese Air Self Defense Force in flying operations, radar operations and maintenance, and proper radio procedures."[1]
"After the Soviet Union shot down an RB-29 aircraft on 7 November 1954, the 39th provided fighter escort for all friendly reconnaissance aircraft flying near Soviet territory and the Northern Air Defense Sector."[1]
"The division also supported combat operations during the Vietnam War."[1]
Lineage
Designated as the 39th Air Division (Defense) and organized on 1 March 1952
Redesignated as: 39th Air Division on 18 March 1955
Discontinued and inactivated on 15 January 1968[1]