 Lockheed unveiled their new ACV offering in September 2015.In October 2017 deputy Marine commandant Lt. Gen. Brian Beaudreault stated "We have to find a solution to getting Marines to shore, from over the horizon, at something greater than seven knots (8 mph)," the swimming speed of the existing Amphibious Assault Vehicle (AAV) and its Amphibious Combat Vehicle (ACV) replacement.Continuing, he said "we must find a high-water-speed vehicle on the surface.