Command your troops on the ground and your fleet on the sea to wage war against an unknown alien invader. This is your fleet. These are your forces. This is your fight.
Defend and Protect:
As Danny Hunter, you must guard your Battleships out at sea!
Call for Support:
Call on your fleet to assist your fight against the superior alien force!
Close Combat at Sea:
Play in DUEL! Mode to fire on your enemies in close ship-to-ship combat.
An Arsenal of Ships:
Select from U.S. Navy ships like the Carrier, Destroyer and Submarine, as you move and fight to protect the Hawaiian archipelago!
Source: The Game Website.