About this Unit
USS Surfbird (ADG-383) was a U.S. Navy minesweeper and degaussing ship commissioned in 1945. Originally launched as a YMS-1-class minesweeper (YMS-271), she was later converted to a degaussing vessel and renamed Surfbird in 1947. Surfbird served primarily in the Pacific, providing degaussing and minesweeping support during the Korean War and the Vietnam War, helping protect naval vessels from magnetic mines. She was decommissioned in 1975 after three decades of valuable service to the U.S. Navy.
Historical Facts
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Unique Role: USS Surfbird (ADG-383) was originally commissioned as a minesweeper, USS YMS-271, before being converted into a degaussing ship, a rare and specialized role in the U.S. Navy.
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World War II Service: As YMS-271, she participated in minesweeping operations during World War II, supporting the liberation of the Philippines and operations around Okinawa.
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Re-designation: In 1947, the vessel was reclassified as AG-383 and later as ADG-383, reflecting her new role in degaussing (reducing a ship’s magnetic signature to defend against magnetic mines).
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Korean War Involvement: Surfbird provided vital degaussing services to naval vessels operating in the dangerous waters of the Korean peninsula during the Korean War.
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Vietnam War Operations: During the Vietnam War, she served as the only degaussing ship in the Western Pacific, supporting U.S. and allied ships in the region.
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Unusual Nickname: Due to her specialized mission and uncommon ship type, Surfbird was sometimes referred to as the "Magnet Ship" by sailors.
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Longest Serving Degaussing Ship: USS Surfbird was the longest-serving degaussing ship in the U.S. Navy, from her conversion in 1954 until her decommissioning in 1975.
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International Service: After decommissioning, Surfbird was transferred to the Philippine Navy, where she continued service as RPS Mangyan (AG-67).
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Distinctive Appearance: The ship featured large degaussing coils on her hull, making her instantly recognizable compared to other support vessels.
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Decorations and Awards: Over her career, Surfbird earned several commendations, including the Asiatic-Pacific Campaign Medal, the Korean Service Medal, and the Vietnam Service Medal.
