Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online: Service Ship Photo Archive

Mankato (YTM-734)
ex
 Mankato (YTB-734) (1945 - 1961)
 Mankato (YNT-8) (1942 - 1945)
 Mankato (YN-40) (1940 - 1942)

International Radio Call Sign:
November - Charlie - Whiskey - Charlie
 NCWC
Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
American Campaign Medal - World War II Victory Medal
Yard Net Tender:
  • Built by Gulfport Boiler & Welding Works, Port Arthur, TX (YN 153)
  • Completed for General Motors as tug George W. Codrington (ON 240096), 05 October 1940
  • Purchased by the US Navy from General Motors Sales Corp., at Key West, FL, 31 October 1940
  • Converted for naval service at Naval Station Key West, FL
  • Placed in service as the Yard Net Tender Mankato (YN-40), November 1940
  • Assigned to Tenth Naval District at San Juan, PR, and Guantanamo Bay, 1940- 1945
  • Redesignated Yard Net Tender Tug YNT-8, 01 May 1942
  • Redesignated Harbor Tug, Large YTB-734, 02 August 1945
  • Redesignated Harbor Tug, Medium YTM-734, 24 November 1961
  • Placed out of service and struck from the Naval Register, 15 November 1978
  • Hit by inert Harpoon during missile tests; salved by Opportune (ARS-40)
  • Final Disposition, sunk as a submarine target, 20 July 1979
    Specifications:
    Displacement 206 tons
    Length 102' 0"
    Beam 24' 0"
    Draft 9' 6"
    Speed unknown
    Complement unknown
    Armament
    two .30 cal machine guns
    Propulsion
    one General Motors Diesel-electric engine
    single propeller, 1,000shp
    Click On Image
    For Full Size Image    		 Size Image Description Source
    Mankato
    140973402    		 217k George W. Codrington as completed, fall 1940.
    Builder's photo    		 Dave Wright
    Mankato
    140973401    		 98k Mankato (YTB-734), underway, date and location unknown, probably after World War Two.
    US Navy photo from the collections of the US Navy Memorial    		 Stan Svec
    Mankato
    140973403    		 143k Mankato (YTM-734), date and location unknown. Photo copyright Ted Stone. George Schneider
    Mankato
    140973404    		 100k Mankato (YTM-734), maneuvering Prowess (MSF-280), date and location unknown. Photo copyright Ted Stone. George Schneider
    There is no DANFS history available for Mankato (YN-40 / YNT-8 / YTB-734 / YTM-754 at Navsource
    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
    Back To The Navsource Photo Archives Main Page Back To The Yard and District Craft Photo Index Back To The District Craft Net Tenders (YN) Photo Index Back To The District Craft Net Tender Tugs (YNT) Photo Index Back To The District Harbor Tug Medium (YTM) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page was created by Gary P. Priolo and is maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 15 January 2026