Built in 1962, by Equitable Shipyard of Madisonville, Louisiana as the Bronx 4 for the Bronx Towing Line of New York, New York.
The tug was later acquired by the Disch Construction Company where she was renamed as the Jersey Coast.
She was then acquired by Barker Marine, Incorporated where she was renamed as the John C. Barker.
In 2004, she was acquired by Roehrig Maritime of Staten Island, New York where she was renamed as the Francis E. Roehrig, named for Roehrig Maritime founder Christopher Roehrig's father.
The tug underwent an extensive overhaul at Atlantic Drydock of Jacksonville, Florida that included changing out the two Caterpillar D-398 engines (originally rated at 1,300 horsepower) with new Caterpillar 3512 main engines for a rated 2,400 horsepower. A new steering system, overhauling and replacement of propeller shafts, propellers and rudders, as well as the installation of Fernstrum keel coolers. The tug's hull and topside were blasted and painted as well.
In 2007, Roehrig Maritime was acquired by K-Sea Transportation Partners of East Brunswick, New Jersey where the tug was renamed as the Aegean Sea.
In 2011, K-Sea Transportation was acquired by the Kirby Corporation of Channelview, Texas, where the tug retained her name.
She is a twin screw tug, rated at 2,400 horsepower.
(Christopher Roehrig, Harold Tartell)