Gilbert and Ellice Islands Ellice Islands", which replaced laws created during the BWTP. The Phoenix Islands were added to the colony in 1937. Banaba Island (Ocean Island) remained the headquarters of the colony until the British evacuation in 1942 during the Pacific War when Ocean Island and the Gilbert Islands were occupied by the Japanese. The United States forces landed in Funafuti on 2 October 1942 and on Nanumea and Nukufetau in August 1943 and constructed an airfield on each island and other bases. The atolls of Tuvalu acted as a staging post during the preparation for the Battle of Tarawa and the Battle
Pacific Ocean both the Water Hemisphere and the Western Hemisphere are in the Pacific Ocean. The equator subdivides it into the North Pacific Ocean and South Pacific Ocean, with two exceptions: the Galápagos and Gilbert Islands, while straddling the equator, are deemed wholly within the South Pacific. Its mean depth is . The Mariana Trench in the western North Pacific is the deepest point in the world, reaching a depth of . The western Pacific has many peripheral seas. Though the peoples of Asia and Oceania have traveled the Pacific Ocean since prehistoric times, the eastern Pacific was first sighted by Europeans