Built in 2008, by Serodino Incorporated of Chattanooga, Tennessee (hull #109) as the Great White 2 for Great White Towing Incorporated of Morgan City, Louisiana.
In 2010, the tug was acquired by Enterprise Marine Services of San Antonio, Texas. Where she retained her name.
In 2010, she was acquired by Settoon Towing Incorporated of Pierre Part, Louisiana. Where the tug was renamed as the Mandy R. Settoon.
in
by Halter Marine of Lockport, Louisiana #1291) as the Snohomish for the Chevron Shipping of San California
Kennedy 1996,
In 2022, the marine assets of the tug was acquired by by Ocean Towing Company Tampa, Florida. Where was renamed the Neptune. her
EMD 8-645-E2 diesel With WAF 840 reduction gears. two, 90(in) 66(in) four bladed, at pitch She is a twin two, stainless 2,400 fixed
Her electrical service is by two, 75 generator sets. two,
Diesel 6-71 engines. service tug's capacities are 83,000 40kW, fuel, 225 generator sets. of hydraulic oil, are of gallons oil, fuel, and 5,000 gallons lube water (supplemented 2,500 water maker).