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.

Elmore landed troops in the assault on Guam 21 July 1944 and remained to embark casualties whom she carried to Eniwetok.

She staged at Hollandia for the coming Philippine invasion and sailed 13 October for the Leyte assault a week later.

Elmore made two voyages to Japan to land occupation troops at Wakayama and Mitsugahama, then returned to the States on "Magic Carpet" duty with servicemen eligible for discharge.

After a voyage on the same duty to the Philippines from November 1945 to January 1946, she was decommissioned at Mobile, Alabama, 13 March, and returned to the Maritime Commission for sale 15 May 1946.