Cruisers : cost increased to 2100, no sensors (need escort to detect subs), damage and range reduced
Destroyers : damage and rate of fire reduced for stinger weapon
Submarines : cost reduced to 900, healthpoints and armor increased, rate of fire and speed of torpedoes increased, sensors added.
Missile Submarines : cost reduced to 1500, healthpoints and armor increased, sensors added.
Ship yard and sub pen : healthpoints increased to 1600.
