About this Unit
USS Passumpsic (AO-107) was a Cimarron-class fleet oiler commissioned by the United States Navy in 1946. Designed to refuel warships at sea, she played a crucial logistical role during the Korean War, the Vietnam War, and Cold War operations in the Pacific. Passumpsic conducted numerous underway replenishments, enabling sustained naval operations far from port. After decades of distinguished service, she was decommissioned in 1973 and later transferred to the Military Sealift Command, continuing her support role under a civilian crew.
Historical Facts
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Fleet Oiler Role: USS Passumpsic (AO-107) was a Cimarron-class fleet oiler, designed to provide underway replenishment of fuel and supplies to U.S. Navy ships, enhancing their operational range and endurance.
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Commissioning Date: She was commissioned on 11 August 1946, shortly after the end of World War II, and served through several major conflicts during her career.
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Korean War Service: Passumpsic played a vital role during the Korean War, conducting numerous underway replenishments to support U.N. naval operations off the Korean Peninsula.
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Vietnam War Operations: The oiler was heavily engaged in the Vietnam War, supplying fuel and other logistics to the U.S. Seventh Fleet and allied ships, often operating in hostile waters.
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Multiple Overhauls: Throughout her career, the ship underwent several modernizations and overhauls, including upgrades to her replenishment systems and crew accommodations.
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Longest Serving Cimarron-class: USS Passumpsic was one of the longest-serving ships of her class, with over 44 years of service before being decommissioned in 1991.
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Support for Nuclear-Powered Ships: She played a key logistical role in supporting both conventional and nuclear-powered vessels, including aircraft carriers and submarines.
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Humanitarian Assistance: Passumpsic also provided disaster relief and humanitarian support, such as delivering supplies to regions affected by natural disasters in the Pacific.
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Japanese Service: After decommissioning from the U.S. Navy, she was transferred to the Military Sealift Command and later served with the Japan Maritime Self-Defense Force as JS Tōhō (AO-303).
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Namesake: The ship was named after the Passumpsic River in Vermont, continuing the Navy tradition of naming oilers after American rivers.