Built in 1972, by Main Iron Works of Houma, Louisiana (hull #265) as the Miss Lynn for the Fonteneau and Smith Boat Company of Morgan City, Louisiana.
In 1978, the Fonteneau and Smith Boat Company was acquired by Newpark Marine Services of The Woodlands, Texas. Where the tug was renamed as the Newpark Sunburst.
In 1983, she was acquired by the Gulf Fleet Marine Corporation of Houston, Texas. Where the tug was renamed as the Gulf Tempest.
In 1985, Zapata Marine Service, Gulf Fleet Marine Incorporated, and Jackson Marine Services merged to form Zapata Gulf Marine Service Incorporated of Houston, Texas. Where the tug retained her name.
In 1988, Zapata Gulf Marine Incorporated renamed the tug as the the Atlantic Tempest.
In 1989, the tug was acquired by the Turecamo Coastal and Harbor Towing Corporation of New York, New York. Where she was renamed as the Catherine Turecamo.
In 1998, the Turecamo Coastal and Harbor Towing Corporation was acquired by the Moran Towing Corporation of New Canaan, Connecticut. Where the tug retained her name.
In 2014, the tug was acquired by the Calumet River Fleeting Company of Chicago, Illinois. Where she was renamed as the John Marshall.
Powered by two, sixteen cylinder, EMD 16 567 diesel engines. Turning two, stainless steel, fixed pitch, propellers. She is a twin screw tug, rated at 3,200 horsepower.
Her electrical service is provided by two, 75kW generator sets. The tug's capacities are 56,797 gallons of fuel.
(Captain Eric Takakjian, Bruce Fizell, Tyler Fairfield, Kyle Stubbs)