 Complete the following phrase:  Cobby served as AOC NEA until November 1943, handing over to Air Commodore John Summers, who held command for the remainder of the war. By the end of November, NEA headquarters staff numbered 499, including ninety-seven officers. NEAs Catalinas joined aircraft of No. 9 Group in support of the US invasion of New Britain in December 1943 and January 1944. The Catalinas also conducted mine-laying operations around the Timor Sea in the lead-up to the landings at Hollandia and 