 The Allied victory completed the isolation of the major Japanese base at Rabaul that was the ultimate objective of the Allied campaigns of 1942 and 1943.A major air and naval base was developed in the Admiralty Islands that became an important launching point for the campaigns of 1944 in the Pacific.The Admiralty Islands lie north east of the mainland of New Guinea and west of Rabaul, only two degrees south of the equator.