The Air Division also supervised South Vietnamese air transport operations (primarily C-47s), six DHC-4 Caribou transports operated by the No. 35 Squadron RAAF at Vung Tau Air Base and two Republic of Korea Air Force Curtiss C-46 Commando transport aircraft from 29 July 1967, later replaced by C-54s. The Air Division received the Presidential Unit Citation recognizing their efforts during the Battle of Khe Sanh.
