 Complete the following phrase:  Having been promoted to temporary wing commander on 1 August 1943, Rawlinson handed over command of No. 79 Squadron on 7 November and was appointed wing leader of No. 73 Wing, headquartered at Kiriwina. The wing leader was responsible for tactical command of the formation in the air. Minimal offensive air activity by the Japanese meant that No. 79 Squadrons Spitfires saw relatively little action; the wings Kittyhawks, with their ground-attack capability, were heavily engaged. On 15 December, the day of the 