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
Unnamed volcano (Ibugos) Unnamed volcano (Ibugos) Unnamed volcano (Ibugos), is a submarine volcano near the island Ibugos in the Philippines. The volcano is off Ibugos Island, at the southernmost end 0f the Batanes Islands, in the province of Batanes, in the Cagayan Valley Region, in the Philippines, within the Luzon Strait between Luzon and Taiwan. The volcano is a submarine volcano rising to within of the sea surface, due west of Dequey Volcano. It is one of the active volcanoes in the Philippines. Submarine eruptions reported in 1773, 1850, and 1854 are likely to have originated from this volcano. There have been no