A reconfigurable marine vessel is disclosed. The marine vessel includes an upper hull, two propulsion hulls, and two struts for coupling the propulsion hulls to the upper hull. The struts are segmented and are capable of reconfiguring the marine vessel. The upper hull includes a mission module for carrying mission specific payloads. A mission bay is disposed in at least one of the propulsion hulls. The mission bay is used to carry fuel, swimmer gear, weapons, etc. Each propulsion hull also includes wheel assembies.