Built in 1967, by Gulfport Shipbuilding of Port Arthur, Texas (hull #687) as the Teresa Moran for the Moran Towing Corporation of New York, New York.
In 1976, the tug was transferred to the Moran Towing Corporation affiliate the Curtis Bay Towing Company of Baltimore, Maryland. Where she was renamed as the Cape Henry.
In 1988, the Curtis Bay Towing Company was absorbed into the Moran Towing Corporation of New York, New York. Where the tug retained her name.
Powered by two sixteen cylinder, EMD diesel engines. Turning two, bronze, fixed pitch propellers. She is a twin screw tug, rated at 3,900 horsepower.
Her electrical service is provided by two 75kW generator sets. The tug's capacities are 54,155 gallons of fuel, and 32,493 gallons of ballast.