Ward sailed from Hoboken, New Jersey, to Pearl Harbor, on 25 November 1943, after calling at Norfolk, Virginia, and Oakland, California, to load aviation material.

Supply sailed for Pearl Harbor on 7 July, where she underwent extensive alterations to enable her to double the amount of stores that could be kept in a ready-for-issue status.

The ship sailed for Yap, Caroline Islands, to assist in setting up an aviation supply depot there.

The ship remained there for a month supplying Marine Air Group (MAG) 11 with aircraft stores.

Supply was returned to the War Shipping Administration the same date she was decommissioned and struck from the Navy List on 25 February 1946.