Built in 1943, by Calumet Shipyard and Drydock Company of Chicago, Illinois (hull #LT 57) as the LT-57 for the United States Army.
In 1962, the tug was acquired by Foss Launch and Tug of Tacoma, Washington. Where she was renamed as the Ellen Foss.
The tug was later sold and renamed as the Natoma.
She was then acquired by Island Tug and Barge pf Seattle, Washington. Where the tug was renamed as the Chilkat Chief.
The tug was eventually sold and and renamed as the Norman S, and then as the Prometheus.
Her current and of final disposition is unknown.
She was rated at 4,000 horsepower.