 In March 1972, he became the Deputy Commander ("Tư lệnh phó") of the Vietnam People's Air Force, or the 371st Division at that time, two years later Trần Hanh held the position of Commander of the 371st Division.After the war, Trần Hanh was appointed Deputy Chief of Staff ("Tham mưu phó") of the Vietnam People's Air Force in August 1976.In January 1977 Trần Hanh was sent by the Politburo of the Communist Party of Vietnam to be the Secretary ("Bí thư") of the Ho Chi Minh Communist Youth Union for a short time before returned to the Air Force as Deputy Commander in June 1977.