Your objective is to shoot the bad guys as accurately as possible. You can aim for the head or the body area. The closer you are to the center of each of these areas the more points you gain. The trick is to make every single shot count.
With the Allies' victory nearing, the Blue Army has pushed out a last ditch attempt to cripple your warship before reaching the base. Fire at battleships, airplanes, and subs as you attempt to defend your warship.