Built in 1975, by McDermott Shipyard of Morgan City, Louisiana (hull #203) as the Gladiator for Crowley Marine Services of Seattle, Washington.
She was the sixth Invader class tug built for Crowley Marine Services by McDermott Shipyard.
In 2011, the tug was acquired by Resolve Marine Group of Fort Lauderdale, Florida where she was renamed as the Resolve Gladiator.
Powered by two EMD 20-645-EG main engines with Falk reduction gears at a ratio of 4.345:1 turning two five bladed, stainless steel, fixed pitch propellers for a rated 7,200 horsepower.
Her electrical service is provided by two Caterpillar D 3304 generators. the tug's capacities are 155,000 gallons of fuel oil, 15,000 gallons of potable water, and 3,300 gallons of lube oil.
The tug's towing equipment consists of a Markey TDSDW 36C double drum towing machine outfitted with 3,000(ft) of 2.75(in) wire on each drum. Her emergency towing gear consists of 450(ft) of 7(in) Spectra SK-75.
In 2011, the tug was acquired by Resolve Marine Group of Fort Lauderdale, Florida. Where she was renamed as the Resolve Gladiator.