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 the Andaman Islands whilst the remainder either died of starvation or were killed by Burmese pirates. A rescue mission sent to the island after the end of the occupation found just twelve survivors, and over a hundred skeletons on the beach. In all, approximately 2,000 people in the Andamans are thought to have died as a result of the occupation, and at least 501 were tortured by the Japanese. The former figure represents 10% of the pre-war population of Port Blair. Casualties on the more sparsely-populated Nicobar islands were fewer, as the Japanese did not have a garrison there, although in 1943 they