Operation Dexterity was a military operation, part of Operation Cartwheel in the South West Pacific Area (SWPA) for the Allies in the Pacific theater of World War II. The operation was directed by the Supreme Allied Commander in the SWPA, General Douglas MacArthur. Dexterity included amphibious landings at Arawe on 15 December 1943, and Cape Gloucester on 26 December 1943 in the northwest of New Britain, the capture of the Imperial Japanese held Tuluvu aerodrome on the 30 December 1943 and the amphibious landing at Saidor on 2 January 1944. The final battle was the landing at Talasea in March. The operation ended on 9 March 1944.

Operation Cartwheel was a major military operation for the Allies in the Pacific theatre of World War II. Cartwheel was an operation aimed at neutralising the major Japanese base at Rabaul. The operation was directed by the Supreme Allied Commander in the South West Pacific Area (SWPA), General Douglas MacArthur, whose forces had advanced along the northeast coast of New Guinea and occupied nearby islands. Allied forces from the South Pacific Area, under Admiral William Halsey, advanced through the Solomon Islands toward Bougainville. The Allied forces involved were from Australia, the Netherlands, New Zealand, the US, and various Pacific Islands.