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NavSource Online: Service Ship Photo Archive

USNS Sioux (T-AF-171)

International Radio Call Sign:
November - Juliet - Oscar - Victor
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
Navy Meritorious Unit Commendation - Navy Battle "E" Ribbon (1) - National Defense Service Medal

Powhatan Class Fleet Ocean Tug:
  • Laid down, 22 March 1979, at Marinette Marine Corp., Marinette, WI.
  • Launched, 15 November 1980
  • Delivered to the Navy, 1 May 1981
  • Assigned to the Military Sealift Command (MSC) and placed in service as USNS Sioux (T-ATF-171)
    Displacement 1,387 t.(lt) 2,000 t.(fl)
    Length 226'
    Beam 42'
    Draft 15' (max)
    Speed 14.5 kts.
    Civilian Mariners 16
    Navy (Communications Unit) 4
    two GMC EMD 20-645F7B Diesel engines (5.73 MW sustained)
    two shafts, controllable reversible pitch propellers mounted in Kort nozzles, 7,200shp
    bow thruster, 300hp (224KW)

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    Size Image Description Contributed
    Sioux 78k USNS Sioux (T-ATF-171) entering port at Yokosuka Naval Base, Japan, 21 May 1984.
    US Navy photo
    National Association of Fleet Tug Sailors
    Sioux 813k USNS Sioux (T-ATF-171) moored pierside at Naval Station San Diego in August 2008. Photo by Richard Miller BMCS USNR Ret.
    Sioux 37k USNS Sioux (T-ATF-171) exits Pearl Harbor in October 2012.
    Photo by CAPT. Wade Armstrong, Pearl Harbor Pilots
    Lee Wahler
    Sioux 108k USNS Sioux (T-ATF-171) tows the Royal Canadian Navy replenishment oiler HMCS Protecteur (AOR-509), on 5 March 2014. Protecteur suffered a fire and breakdown 340 nautical miles northeast of Pearl Harbor, Hawaii. She was moving at limited speeds and the U.S. Navy ships USS Michael Murphy (DDG-112), USS Chosin (CG-65) and USNS Sioux (T-ATF-171) were dispatched to assist, with the Sioux later towing Protecteur to Hawaii after Chosinīs tow line parted.
    US Navy photo # 140305-N-IU636-343 PEARL HARBOR (March 5, 2014) by MC3 Johans Chavarro
    Robert Hurst
    Sioux 167k USNS Sioux (T-ATF-171) tows the Royal Canadian Navy auxiliary oil replenishment ship HMCS Protecteur (AOR-509) after that ship had experienced an engine fire at sea.
    US Navy photo # 140306-N-DX698-191 PEARL HARBOR (March 6, 2014) by MC1 Jay M. Chu
    Lee Wahler
    Sioux 177k USNS Sioux (T-ATF-171) tows the Royal Canadian Navy replenishment oiler HMCS Protecteur (AOR-509) into Pearl Harbor, Hawaii, on 6 March 2014.
    US Navy photo # 140306-N-RI884-071 PEARL HARBOR (March 5, 2014) by MC1 Daniel Barker
    Robert Hurst
    Sioux 218k USNS Sioux (T-ATF-171) under way in San Diego Bay, just past the San Diego - Coronado Bridge, 9 April 2018 Photos by Donald Phillips
    Sioux 238k

    USNS Sioux (T-ATF-171)
    Dictionary of American Naval Fighting Ships (DANFS)
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    National Association of Fleet Tug Sailors
    US Navy Fact File - Fleet Ocean Tugs - T-ATF
    Back To The Navsource Photo Archives Main Page Back To The Service Ship Photo Index Back To The Fleet Ocean Tug Photo (ATF) Index
    Comments, Suggestions, E-mail Webmaster.
    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 13 April 2018