Built in 1970, by McDermott Shipyard of Morgan City, Louisiana (hull #162) as the Leslie Foss for the Foss Maritime Company of Seattle, Washington.
In 1970, the tug transferred to the Foss Maritime Company subsidiary. Gulf Caribe Maritime Incorporated of Mobile, Alabama. Where she was renamed as the Caribe Pioneer.
In 2012, she was returned to the Foss Maritime Company of Seattle, Washington. Where she was renamed as the Leslie Foss.
In 2012, the tug was chartered by the Tradewinds Towing Company of St. Augustine, Florida. Where the tug retained her name.
In 2012, she was acquired by the Tradewinds Towing Company. Where she was renamed as the Simone.
Powered by two, EMD 12-645-E2 diesel engines. With Lufkin RHS2524 reduction gears, at a ratio of 4.128:1. Turning two, five bladed, 103(in) by 82(in), fixed pitch propellers. For a rated 3,000 horsepower.
The tug's electrical service is provided by two, 99kW John Deere generator sets. As well as a, third 75kW John Deere auxiliary emergency generator set. The tug's capacities are 96,000 gallons of fuel, 1,250 gallons of lube oil, and 6,000 gallons of potable water.
Her towing gear consists of a Markey TDSD-32, double drum, towing machine. One drum is outfitted with 2,200(ft) of 2(in) towing wire. The second drum is outfitted with 2,200(ft) of 2(in) towing wire. The tug features a set of hydraulic tow pins for tandem towing. She is also outfitted with a bow winch. Equipped with plasma line for barge handling.