Japanese air attacks on the Mariana Islands and anti-aircraft guns shot down about 37 Japanese aircraft during these raids. After the Marianas began to come under attack, the United States military stepped up its raids on the Japanese-held islands which could be used to launch raids on the B-29 bases. Particular attention was given to Iwo Jima, as it was correctly assumed that the Japanese aircraft which attacked the Marianas were flying from Japan and staging through the island en route to their targets. Following the first raid against Saipan in November, XXI Bomber Command B-29s were dispatched against Iwo Jima's airfields on November 5 and 8.
United States Army Air Forces in the Central Pacific Area on Tinian and Guam. Eighth Air Force was transferred from England to be a second strategic air force in the Pacific War, with a mission to carry out B-29 attacks on the Japanese Home Islands during the planned Invasion of Japan beginning in November 1945. These advance units were reassigned to other stations in December 1945. Seventh Air Force operations focused on supporting Army and Naval forces in the tactical campaigns against Japanese forces in the Central Pacific, while Twentieth Air Force performed strategic bombing missions directly against the Japanese home islands. BAKER ISLAND CAROLINE ISLANDS GILBERT ISLANDS HAWAIIAN ISLANDS