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NavSource Online: Army Ship Photo Archive


Awards, Citations and Campaign Ribbons

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

  • Laid down in 1942 as a US Army design 257-A steel hulled tug at Reliable Welding Works, Olympia, WA.
  • Launched in February 1943
  • Delivered to the US Army Quartermaster Corps, October 1943
  • Assigned to the US Army Transportation Corps, placed in service as ST-166
  • Retired from US Army service, circa 1946
  • Acquired in 1948 by Foss Launch & Tug Co., Seattle, WA., renamed Gary Foss
  • Acquired in 1949 by Pacific Towboat & Salvage Co., Long Beach, CA., renamed Pacific Rocket
  • Acquired in 1972 by Northwest Diesel Repair Co., Seattle WA., renamed Bronco
  • Acquired in 1973 by CAPT. Dave Updyke, Seattle, WA.
  • Acquired in 1974 by Dunlap Towing Corp., La Conner, WA., rebuilt and renamed Swinomish
  • Final Disposition, fate unknown
    Displacement 106 gross tons
    Length 74'
    Beam 20'
    Draft 8.4'
    Speed 9.3 kts
    Complement unknown
    Cruise Radius unknown
    Towing Gear a single drum, Rowe towing winch. Outfitted with 1,400(ft) of 1-1/8(in) towing wire.
    Diesel fuel, 9,000 gals
    Propulsion - AS Built
    one 6cyl Atlas-Imperial type 6BM, 400bhp
    single three bladed propeller
    Propulsion - Rebuild
    one Caterpillar 398D diesel engine, 850hp
    Caterpillar reduction gear, at ratio of 4.34:1.
    single, 70(in) by 76 (in), fixed pitch propeller
    single, 90kW Delco generator set

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    Size Image Description Source
    247k Ex-US Army tugboat ST-166 in commercial service as the Dunlap Towing Corp. tugboat Swinomish
    Photo by Kyle Stubbs, courtesy
    Tommy Trampp

    There is no history available for ST-166 at NavSource
    Additional Resources and Web Sites of Interest
    Tugboat Information
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last updated 18 September 2020