"Ariel" sailed for the Caribbean on 20 February and called at St. Thomas, Virgin Islands, and San Juan, Puerto Rico, to unload. She then returned to New York. In late March, she commenced another voyage to Iceland and arrived back at New York on 10 April. After a few weeks of upkeep, "Ariel" sailed for the United Kingdom. On arrival she provided food and supplies to ships preparing for the cross-channel Invasion of Normandy. She operated from the ports of Clyde, Scotland; Belfast, Northern Ireland; and Plymouth and Portland Harbour, England. She left England on D-Day, 6 June, and returned to the United States.