Download coordinates as: During World War II, the United States Army Air Forces engaged in combat against the air, ground and naval forces of the Empire of Japan in the South West Pacific Theatre.
As defined by the United States Department of War, the South West Pacific theatre included the Philippines, the Dutch East Indies (excluding Sumatra), Borneo, Australia, the Australian Territory of New Guinea (including the Bismarck Archipelago), the western part of the Solomon Islands and some neighbouring territories.
The major USAAF combat organizations in the region was Fifth Air Force, based in Australia after the Battle of the Philippines (1941–42).
From Australia, the Allied forces, led by General Douglas MacArthur, first moved north into New Guinea in 1942, then into the Netherlands East Indies in 1943, and returning to the Philippines in 1944 and 1945.
This article incorporates public domain material from the Air Force Historical Research Agency