Built in 1976, by Halter Marine Services Moss Point of Moss Point, Mississippi (hull #539) as the Dr. Jack for the Jackson Marine Corporation of Houston, Texas.
The Jackson Marine Corporation was owned by the Halliburton Corporation of Houston, Texas. The company owned a total of ninety vessels. Consisting mainly of offshore tugs, and supply vessels. With some chemical transport and well stimulation vessels.
In 1985, Zapata Marine Service, Gulf Fleet Marine Incorporated, and Jackson Marine Services merged to form Zapata Gulf Marine Service Incorporated of Houston, Texas. Where the tug retained her name.
In 1992, Zapata Gulf Marine Incorporated merged with Tidewater Marine Incorporated of New Orleans, Louisiana. Where the tug retained her name.
In 2004, the tug was acquired by the Crosby Marine Transportation Company of Golden Meadow, Louisiana. Where she was renamed as the Crosby Odyssey.
In 2020, she was phased out of active service and was "laid up" at Houma, Louisiana.
Powered by two, eighteen cylinder, Alco 18-251F diesel engines. With Reintjes WAV 4800 reduction gears. Turning two, four bladed, 144(in) by 100(in), fixed pitch propellers. She was a twin screw tug, rated at 8,800 horsepower.
Her electrical service was provided by two, 150kW generator sets. Driven by two, GM 8V-71 diesel engines. The tug's capacities were 240,000 gallons of fuel oil, 5,380 gallons of lube oil, 50,955 gallons of cargo water, and 14,000 gallons of potable water.
The tug's towing gear consisted of a double drum, INTERcon BSS DD-225 towing winch. Outfitted with 96,000(ft) of 2.35(in) towing wire on each drum.
(Captain Eric Takakjian, Kyle Stubbs)