Banaba (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 of Makin that commenced on 20 November 1943. Colonel Vivian Fox-Strangways, was the Resident Commissioner of the Gilbert and Ellice Islands Colony in 1941, who was located on Funafuti.