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JUNO (1957)

Built in 1957 by Gulfport Shipbuilding of Port Arthur, Texas as the Juno (hull #506) for the Suderman and Young Towing Company of Galveston, Texas.

In 1965, she was renamed as the Sea King.

Suderman & Young's ownership also included the Bay Houston Towing Company of Houston, Texas and the G and H Towing Company of Houston, Texas.

In 2005, the tug was acquired by Salmon Bay Barge Line Incorporated of Seattle, Washington, where she was renamed as the M Luther. Later that year, the tug's name was shorted to Luther.


  • Vessel Name: JUNO (1957)
  • USCG Doc. No.: 274468
  • Vessel Service: TOWING VESSEL
  • IMO Number: 8841785
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WJ2599
  • Hull Material: STEEL
  • Hull Number: 506
  • Ship Builder: GULFPORT SHIPBUILDING
  • Year Built: 1957
  • Length: 99.8
  • Hailing Port: SEATTLE WA
  • Hull Depth: 13.9
  • Hull Breadth: 26.8
  • Gross Tonnage: 138
  • Net Tonnage: 94
  • Owner:
    SALMON BAY BARGE LINE INC
    5949 W MARGINAL WAY SW PO BOX 81086
    SEATTLE, WA 98106
  • Previous Vessel Names:
    JUNO, SEA KING, M LUTHER, LUTHER
  • Previous Vessel Owners:
    Suderman and Young Towing Company, J. Newton Rayzor, N Claxton Rayzor, G & H Towing Company, Salmon Bay Barge Line Inc