by C-54s. The Air Division received the Presidential Unit Citation recognizing their efforts during the Battle of Khe Sanh. In late 1969 C Flight, 17th Special Operations Squadron equipped with five AC-119G gunships was deployed at the base. By the end of 1970 this Flight would grow to nine AC-119Gs to support operations in Cambodia. During its last few months, the 834th worked toward passing combat airlift control to Seventh Air Force. On 1 December 1971 the 834th AD was inactivated as part of the USAF withdrawal of forces from Vietnam. 377th Air Base Wing The 377th Air Base Wing was responsible for the day-to-day operations and maintenance of the USAF portion of the facility from April 1966 until the last USAF personnel withdrew from South Vietnam in March 1973. In addition, the 377th ABW was responsible for housing numerous tenant organizations including Seventh Air Force, base defense, and liaison with the RVNAF. In 1972 inactivating USAF units throughout South Vietnam began to assign units without equipment or personnel to the 377th ABW. From Cam Ranh AB: 21st Tactical Air Support Squadron: 15 March 1972 – 23 February 1973. From Phan Rang AB: 8th Special Operations Squadron: 15 January – 25 October 1972 (A-37) 9th Special Operations Squadron: 21 January – 29 February 1972 (C-47) 310th Tactical Airlift Squadron: January–June 1972 and March–October 1972 (C-123, C-7B) 360th Tactical Electronic Warfare Squadron: 1 February – 24 November 1972 (EC-47N/P/Q) All of these units were inactivated at Tan Son Nhut AB. An operating location of the wing headquarters was established at Bien Hoa AB on 14 April 1972 to provide turnaround service for F-4 Phantom IIs of other organizations, mostly based in Thailand. It was replaced on 20 June 1972 by Detachment l of the 377th Wing headquarters, which continued the F-4 turnaround service and added A-7 Corsair IIs for the deployed 354th Tactical Fighter Wing aircraft based at Korat Royal Thai Air Force Base, Thailand on 30 October 1972. The detachment continued operations through 11 February 1973. The 377th ABW phased down for inactivation during February and March 1973, transferring many assets to the RVNAF. When inactivated on 28 March 1973, the 377th Air Base Wing was the last USAF unit in South Vietnam. Post-1975 Vietnam People's Air Force use Following the war, Tan Son Nhut Air Base was taken over as a base for the VPAF which is referred to