Built in 1973, by McDermott Shipyard Incorporated of Morgan City, Louisiana (hull #179) as the Amy Moran for the Moran Towing Corporation of New York, New York.
In 2020, the tug was acquired by Stasinos Marine LLC. of Weymouth, Massachusetts. Where she was renamed as the John Joseph.
Powered by two, twelve cylinder, EMD 12-645-E2 diesel engines. With Falk 1625 MRSP / MRPF; reduction gears, at a ratio of 4.731:1. Turning two, bronze, fixed pitch propellers. She is a twin screw tug, rated at 3,400 horsepower.
Her electrical service is provided by two, 75kW generator sets. The tug's capacities are 53,300 gallons of fuel, 1,028 gallons of lube oil, and 5,000 gallons of potable water.
The towing equipment consists of a Markey, single drum towing winch. Outfitted with 2,100(ft) of 2(in) stainless steel, towing wire. She is also fitted with an elevating wheelhouse.