Abstract: A vessel capable of having a plurality of the following structures and method of construction therefor are disclosed. The vessel comprises a hull including a cavity for receiving a plurality of containers. The vessel has one or more of the following features: a bow ramp with clamshell doors; sideport doors and ramps; internal overhead container handling system with transverse jib booms; container compartment; exterior rolling container crane with jib booms; forward pallet elevators; aft pallet elevators; a helicopter hangar; a cargo/helicopter elevator; a stern ramp/gate; a wet/dry well deck; RO/RO cargo decks; a helicopter flight deck; a wet-well ballast system; and a bow-grounding ballast system.