 The attack was repulsed by the 108th and 263rd Battalions of the South Vietnamese Regional Forces.In mid-March 1975 Qui Nhon and Phù Cát AB were defended by the ARVN 40th Regiment and the Bình Định Regional Forces, however the 40th Regiment was soon redeployed to Khanh Duong to keep open the route for ARVN escaping from Buôn Ma Thuột.The 2nd Air Division provided air support for the 22nd Division and was also trying to destroy equipment abandoned during the evacuation of Pleiku.