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NavSource Online: Service Ship Photo Archive

USCGC Trillium (WAK-170)
USAV FS-397 (1945 - 1947)

Precedence of awards is from left to right
Top Row - American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal

USAV FS-397 was manned by the US Coast Guard during World War II
Freight-Supply Vessel
  • Laid down in 1944 as the Design 381 Freight-Supply Vessel FS-397 for the US Army at Ingalls Iron Works, Decatur, AL.
  • Launched in 1944
  • Delivered to the US Army Quartermaster Corps 29 January 1945
  • Assigned to the US Army Transportation Corps
  • Commission USAV FS-397, 20 February 1945, at Decatur, AL., LTjg. E. Roswell, USCG in command
  • LTjg. was succeeded by LTjg. Arthur N. Froedman, USCGR, 9 September 1945
  • USAV FS-397 was assigned to duty in the Asiatic-Pacific Theater - Southwest and Western Pacific areas
  • On 6 February 1946 FS-397 departed Manila, for Pearl Harbor, via Okinawa to conduct a survey of LORAN equipment and to salvage if possible, the equipment abandoned by Unit 211 when it departed Okinawa.
  • On 1 February 1946 she was assigned to the Phoenix LORAN Group and assigned to DOGO, 114th ND, for operational and administrative control.
  • On the same date she was released from control Coast Guard AF WESPAC and transferred to Administrative Commander, Coast Guard Activities SWPA, Philippine Sea Frontier.
  • She departed Okinawa, 28 February 1946, for Guam, arriving 6 March 1946
  • She departed Guam, 16 March 1946,for Eniwetok arriving there, 20 March, for fuel and water en route to Honolulu
  • FS-397 departed Eniwetok, 27 March 1946, for Honolulu, arriving, 5 April 1946
  • Acquired by the Coast Guard after World War II to assist in the construction and logistic support of the Service's LORAN chain in the Pacific
  • Commissioned US Coast Guard Cutter Trillium (WAK-170), 1 October 1947
  • Trillium was assigned to the 14th Coast Guard District and was homeported at Honolulu, Hawaii
  • Provided logistic support to Okinawa, Guam, Eniwetok and among the Hawaiian Islands
  • On 9 November 1947 she transferred to Guam and provided logistic support to Iwo Jima, Okinawa, Kwajalein, and the Philippines
  • From 15 June to 15 November 1950 she was stationed at San Francisco, CA.
  • In September, 1950 Trillium towed USCGC Hermes from Pearl Harbor, Hawaii to Alameda, CA.
  • Decommissioned, 15 November 1950, and was transferred to the U.S. Navy
  • Final Disposition, fate unknown
    FS Specifications:
    Displacement (As Built) 557 gross tons
    Length (As Built) 177'
    Beam 32'
    Draft 14'
    Speed 12 kts
    Freight Capacity unknown
    Complement unknown
    Armament unknown
    two 500hp GM Cleveland Division 6-278A 6-cyl V6 diesel engines
    twin screws

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    USAV FS-396 / USCGC Trillium (WAK-170)
    U.S Coast Guard Historian's Office

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    Last Updated 17 November 2023