Built in 1979, by the Marinette Marine Corporation of Marinette, Wisconsin (hull #7702) as the G.R.Moir for the Gulfcoast Transit Company of Tampa, Florida. A subsidiary of the Tampa Electric Company of Tampa, Florida
In 1991, the Gulfcoast Transit Company renamed the tug as the Janis Guzzle.
In 2002, the Gulfcoast Transit Company became the TECO Ocean Shipping Company of Tampa, Florida. Where the tug retained her name.
In 2005, the tug was outfitted with an Artubar coupler system, and was "married" to her 550(ft) barge the Marie Flood. Which was constructed in 1973 at Levingston Shipbuilding of Orange, Texas for the Gulfcoast Transit Company.
In 2007, the TECO Transport Corporation was acquired Greenstreet Equity Partners L.P., a Miami-based private equity firm. Where the tug retained her name.
In 2013, she was acquired by United Ocean Services LLC. of Tampa, Florida. Where the tug and barge retained their names.
In 2017, she was acquired by Zapor SA of Buenos Aires, Argentina. Where the tug was renamed as the Pablo C.
Powered by two, EMD 20-645-E5 diesel engines, she was a twin screw tug rated at 7,200 horsepower.