 Complete the following phrase:  It was initially a mixed-role unit equipped with 12 Nakajima A4N fighters, 12 Aichi D1A dive bombers and 12 Kugisho B3Y torpedo bombers. In August it moved to Zhoushuizi airfield at Dalian and in September to Kunda airfield near Shanghai. Between October and November, it converted to new Mitsubishi A5M fighters. After the 