television show The Grand Tour by Jeremy Clarkson, who falsely claimed that as there were no surviving PBRs the replica had to be built completely from scratch and so cost £100,000. Du Ma was as authentic as possible, using the same Jacuzzi drive jets as the original design, but powered by two 350 horsepower V8 petrol engines of unspecified make. See also Fast Patrol Craft: An all-aluminum, , riverine boat commonly referred to as the Swift Boat by the U.S. Navy's Brown Water Navy during the Vietnam War. Hurricane Aircat: An airboat used as a riverine patrol boat by the U.S. Army during the Vietnam War Small unit riverine craft: Small armed and/or armored river craft used to maintain control of rivers and inland waterways. Notes Further reading Friedman, Norman. U.S. Small Combatants, Including PT-Boats, Subchasers, and the Brown-Water Navy: An Illustrated Design History. Annapolis, Md.: Naval Institute Press, 1987. . External links Gamewardens of Vietnam Association, Inc.—The oldest continuously operating Vietnam Veterans Organization in the United States, organized in 1968 by the Veterans of the Vietnam River Patrol Force, primary war boat, the PBR, River Patrol Boat. Rivervet website PBR Forces Veterans Association HNSA Ship Page: PBRs as museums to visit. PBR at U.S. Veterans Memorial Museum PBR6927 Riverine warfare Vietnam War ships Military boats Patrol vessels of the United States Navy Patrol boat classes