"Elmore" sailed from San Diego 13 January 1944 and landed troops and equipment in the initial assault on the Marshalls 31 January 1944. In early February she reported to the 3d Fleet at Funafuti, Ellice Islands. After training in the Solomons, she took part in the landings on Emirau Island 11 April, and carried troops between Guadalcanal and New Guinea until 3 June. On the 4th she got underway for invasion of the Marianas.