 Naval tactics evolved to bring each ship's firepower to bear in a line of battle—coordinated movements of a fleet of warships to engage a line of ships in the enemy fleet.Carracks with a single cannon deck evolved into galleons with as many as two full cannon decks, which evolved into the man-of-war, and further into the ship of the line—designed for engaging the enemy in a line of battle.One side of a ship was expected to shoot broadsides against an enemy ship at close range.