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.
Japanese occupation of Attu the islands and destroy the remaining United States Navy forces in the Pacific. In order to deceive the American Pacific Fleet, an attack was ordered to take place in the Aleutians, thus beginning the Aleutian Islands Campaign. During the Battle of Midway, Japanese forces were repulsed in a decisive action, meanwhile on 6 June, Japanese naval forces under Boshirō Hosogaya landed troops unopposed at Kiska and Attu islands. A force consisting of 1,140 infantry under Major Matsutoshi Hosumi took control of the island and captured Attu’s population, which consisted of 45 Aleuts and two white Americans, Charles Foster Jones (1879-1942),