Built in 2011, by Patti Shipyard of Pensacola, Florida as the Rock Island II for the U.S. Army Corps of Engineers.
Powered by two Caterpillar C12B diesel engines with Twin Disc MG-516 reduction gears at a ratio of 4:1 turning two 48(in), five bladed, stainless steel propellers for a rated 770 horsepower.