CHIEF Warrant Officer (4) (CWO4) William Davis, USA, Commanding Officer Joint Venture, reviews navigation charts on the bridge while underway during local training exercises in the Arabian Gulf. The High Speed Vessel, Experimental Craft One (HSV X1), JOINT VENTURE is an experimental craft, based on the Incat, an Australian company, designed civilian car and passenger ferry. Currently, it is in the research and development stage to be used by the United States military as a rapid troop and equipment transport carrier. JOINT VENTURE is currently on a scheduled six to twelve month deployment in support of Operation ENDURING FREEDOM