Developed by General Dynamics, the EFV (Expeditionary Fighting Vehicle) is the US Marine Corps’ latest amphibious vehicle — prototypes currently undergoing tests. It boasts an aluminum hull that comes equipped with an acutated bow flap to help planing when at sea. Features include: a Bushmaster II 30mm cannon, 7.62mm machine gun, and smoke/gas dispensers. The EFV can haul 3 crew members and 17 marines. Video after the break. Click here for more pictures.