Built in 1961, by Southern Shipbuilding Incorporated of Slidell, Louisiana (hull # YTB 766) as the YTB-766 (Wapakoneta) for the United States Navy.
A Natick class large harbor tug for the United States Navy. Her keel was laid down on August 1st 1962. She was launched June 11th, 1963. She was delivered to the United States Navy on the July 25th 1963. The tug was placed in service as YTB-766 (Wapakoneta) in October of 1963 and allocated to 5th Naval District at Naval Station Norfolk, Virginia.
in 2001, the tug was placed out of service. She was struck from the Naval Register on the April 14th, 2001, and transferred to the Defense Reutilization and Marketing Service (DRMS).
In 2001, the tug was acquired by Boston Towing and Transportation Company of East Boston, Massachusetts (a subsidiary of the Reinauer Transportation Companies of Staten Island, New York.) Where she was renamed as the Hercules.
In 2011, she was acquired by Runner Marine Limited. A division of Capital Oil and Gas Industries Limited of Lagos, Nigeria. Where the tug retained her name.
She was powered by a single, Fairbanks Morse 10-38D-81/8 diesel engine. With a Lufkin reduction gear at a ratio of 6:1. Turning a single, stainless steel, fixed pitch propeller. She was a single screw tug, rated at 1,800 horsepower.
Her electrical service was provided by two, 60kW generator sets. Driven by two, 6-71 Detroit Diesel engines. The tug's capacities were 19,900 gallons of fuel oil, 350 gallons of lube oil, 20,225 gallons of ballast water, and 3,300 gallons of fresh water.
The tug's deck equipment consisted of a hydraulic capstan mounted on the bow and stern.