Built in 1980, by the J. Ray McDermott Company of Morgan City, Louisiana (hull #256) as the W.D. Haden II for the Bay Houston Towing Company of Houston, Texas.
Along with the Suderman and Young Towing Company of Houston, Texas. The Bay Houston Towing Company is part of a combined operating company, the G and H Towing Company of Houston, Texas.
In 2011, the G and H Towing Company became part of a joint venture between the Moran Towing Corporation of New Canaan, Connecticut. Serving the Cameron LNG facility near Lake Charles, Louisiana.
In 2020, she was acquired by Modern American Recycling Services Incorporated of Gibson, Louisiana. Where she was renamed as the M.A.R.S. Liberty.
Powered by a single, EMD 16-645E7B diesel engine. Outfitted with a flanking rudder, she is a single screw tug, rated at 3,070 horsepower.