USS Sea Foam (IX-210) was a Mobile Floating Storage Tanker built during World War I, originally designated as SS Pennsylvania. Constructed in 1917 in Quincy, Massachusetts, she was an Emergency Fleet Corporation Design 1045 tanker, designed for civilian merchant service. Throughout most of World War II, she served as a merchant tanker, supporting wartime logistics and fuel transportation. In February 1945, while undergoing repairs at Northwestern Iron Works in Portland, Oregon, she was allocated to the U.S. Navy and commissioned as USS Sea Foam at Pearl Harbor on 15 May 1945. The vessel remained in Pearl Harbor until 23 June for further repairs before departing on 24 June alongside YOG-57 and PC-1569. Her voyage took her to Eniwetok via the Johnston Islands, arriving there on 8 July. From 9 July to 6 September, Sea Foam was engaged in routine fueling duties, supplying vessels in the harbor at Eniwetok. On 7 September, she departed Eniwetok bound for Tokyo Bay, arriving on 21 July. She continued her fueling operations in Tokyo Bay until 31 October 1945. After completing her service in the Pacific theater, Sea Foam left Asian waters on 1 November, heading back through the Panama Canal. She arrived in Mobile, Alabama, on 24 December, where she was decommissioned on 8 February 1946 and returned to the War Shipping Administration. The vessel was struck from the Naval Register on 26 February 1946 and subsequently sold on 9 July 1947 to the H. H. Buncher Co. for $14,010.00. The USS Sea Foam's service highlights her role as a support vessel during the final stages of World War II, contributing to logistical operations in the Pacific and exemplifying the conversion of wartime merchant ships for naval auxiliary purposes.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.