No. 78 Wing RAAF is headquartered at RAAF Williamtown. It commands No. 76 Squadron, based at RAAF Williamtown, flying Hawk Mk127 aircraft, No. 79 Squadron, based at RAAF Pearce, flying Hawk Mk127 aircraft, and No. 278 Squadron, which provides technical training specific to flight training. 78 Wing conducts operational training, both ground and air, on the F/A-18B Hornet and Hawk at Nos. 76 and 79 Squadrons and No. 2 Operational Conversion Unit. It currently has an increasing role providing simulator training to aircrews and maintenance personnel at Air Force bases across Australia.