Built in 1971, by the Marinette Marine Corporation of Marinette, Wisconsin (hull #YTB 821) as the YTB 821 (Tontogany) for the United States Navy.
Built as a Natick class large harbor tug. She was the first in the Navy to bare the name. Named after a town in Wood County, located in northwestern Ohio named for a local Indian chief.
Her keel was laid on December 4th, 1972, she was launched on May 16th, 1973 and she was delivered to the United States Navy on July 28th, 1973. She was stricken on March 13th, 2001.
The tug was acquired by McAllister Towing and Transportation of New York, New York on November 20th, 2001. Where she was renamed as the Dorothy McAllister.
She was later repowered/reconfigured. The tug's original single Fairbanks Morse diesel engine which was rated at 2,000 horsepower was removed and replaced with two Caterpillar 3516B main engines. The new engines were drive two Schottel SRP 1012 "z-drives" for a rated 4,000 horsepower.
The tug's capacities are 20,000 gallons of fuel oil, 710 gallons of lube oil and 1,290 gallons of potable water.
Her generators were replaced with two 99kw John Deere EPA Tier II Emissions Compliant PowerTech generators rated. She was outfitted with a 6-71 with Goulds fore pump rated for 2,000 Gallons Per Minute, tied in with two monitors rated for 1,500 gallon foam capacity.
The towing gear consists of a JonRie InterTech Series 200 bow winch outfitted with 450(ft) of 7(in) Neutron rope. Her original underwater submarine fendering was kept but was refurbished.