Reduced footprint size
Advanced Construction Sub Tech Level 2
	Increased radar radius Added anti-nuke missile Cannot be nuke-flooded Reduced energy production Increased armor
Colossus Aircraft Carrier
	Removed tracking from torpedoes
Piranha Sub-killer
	Improved speed Increased rocket range AA missile fires only at aircraft Fixed target-lock problem Improved AA missile Added radar Extra damage vs defenses
Ranger Cruise Missile Ship
	Added deck lasers Changed cannon to gauss Removed depthcharge Increased armor
Conqueror Cruiser
	Improved speed Improved turn rate Increased armor Improved cannon damage Added salvo-fire
Millennium Battleship
	Increased jammer radius Temporarily deactivates when damaged
Escort Mobile Radar Jammer
	Reduced speed AA missile fires only at aircraft Fixed target-lock problem
Archer Anti-air Ship
	Temporarily deactivates when damaged Deactivates when moving
Fibber Mobile Sonar Jammer