 Its water performance will be comparable to the AAV, and will have survivability attributes of an MRAP including high-ground clearance and a V-shaped hull, with the ability to drive with a wheel blown off.For the second lot buy (1.2), engineering and design changes will be made to meet roughly half of desired amphibious vehicle fleet size requirements.The ACV 1.1 is to carry 10–13 Marines, have a swim capability similar to the AAV, and have equal or greater mobility to the M1 Abrams tank.