Photo by: John Wilson

Built in 2006, by the Foss Maritime Shipyard of Rainier, Oregon (hull #7) as the Revolution for the Foss Maritime Company of Seattle, Washington.

She was the third Dolphin class tractor tug designed by Robert Allan Limited of Vancouver, British Columbia. For the Foss Maritime Company of Seattle, Washington.

In 2008, the tug was transferred to AmNAV Maritime Services of Oakland, California. A subsidiary of the Foss Maritime Company of Seattle, Washington. Where she retained her name.

In 2012, AmNAV Maritime Services was reabsorbed back into Foss Marine Holdings Company of Seattle, Washington. Where the tug retained her name.

In 2025, the tug was repowered with two, Tier IV compliant, Caterpillar 3512E diesel engines. With Rolls Royce US205 P20 Z-drives. She is a twin screw tractor tug, rated at 5,100 horspower.

Her electrical service is provided by two, 99KWe John Deere 4045AFM85 generator sets. The tug's capacities are 10,600 gallons of fuel oil, 350 gallons of lube oil, 500 gallons of fresh water, 350 gallons of lube oil, and 1,000 gallons of urea.

The towing equipment consists of a Markey DEPGF-42, electric, bow winch. Outfitted with 500(ft) of 8.5(in), 12 by 12, plasma line. And, a Markey DEPC-32, electric winch, mounted on her stern. Outfitted with 300(ft) of 6.5(in) AmSteel Blue line.

Photo by: Kit Conn