Japanese air attacks on the Mariana Islands 27 in preparation for operations against Japan itself. The USAAF bases in the Mariana Islands were within range of a number of Japanese air bases in the Pacific. These included Wake Island to the east, Truk and the Gilbert and Marshall Islands to the southeast, Woleai to the south and Yap to the southwest. To the north the Japanese had air bases in the Nampo Shoto chain of islands and Bonin Islands, which included three airstrips on Iwo Jima. Several of the minor islands in the Mariana chain also remained in Japanese hands, and there were airfields on Rota and
Japanese settlement in the Marshall Islands closer cultural and economic ties with Japan. Japanese firms that were based on the Marshall Islands since the 1960s actively sought joint ventures with local companies from the 1980s onwards, mainly in the fishery sector. Expatriates usually consisted of Okinawan fishermen based at Majuro, where Japanese companies have built smoking and canning facilities to facilitate the processing of tuna catches. The Marshall Islands remained sparsely populated by Japanese settlers, relative to the other mandated Micronesian islands. The first pre-war census of the Marshall Islands counted 490 Japanese among 10,000 Marshallese, and the number of Japanese settlers increased to 680 scattered