Sergeant (SGT) Charles Salas, USA, prepares lunch for the crew onboard the High Speed Vessel, Experimental Craft One (HSV X1), JOINT VENTURE. JOINT VENTURE. JOINT VENTURE, 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