All Working Naval Ops: Commander Cheats - Playstation 2

25.4cm Deck Guns 60-caliber
Kill 100 PT Boats.

30mm CIWS
Kill 100 Destroyers.

80 cm 60 cal
Kill 500 PT Boats.

AGS 254 mm Cannon
Kill 500 Aircraft.

Black Dragonfly Airship
Obtain an "A" rank in mission *G1.

Breac Wave Gun
Complete level *G10 with an "A" rank. Note: There is a difference between level G-10 and *G-10.

Alternately, complete level *G9 with "A" rank. To do this, destroy the supership and leave. Do not forget the weapon crates.

Burst Torpedoes
Kill 100 Cruisers.

Cruise Missile Launcher
Kill 500 Battleships.

Drillship
Get an "A" rank on "Face To Face".

Duckling Escort Ship
Obtain an "A" rank in mission *G8.

Ealta Railgun
Obtain an "S" rank in level *9B. This is the most powerful shell-based armament. Its stats are Damage 3,500, Range 9,000, Ammo 50.

EM Shield B
Obtain an "S" rank in mission *F3. This will reduce optical weapons damage by 90%.

Enigmatech Sturla
Kill 999 Submarines. Its stats are Top Speed +20%, Defense +3,000, Rudder Response +1, Control Ability +25%.

Four 1-116 Condors (aircraft)
Kill 500 Carriers..

Gravitational Fieldb
Obtain an "S" rank in mission *G3. This reduces damage from shell-based attacks by 90%.

KaRyuu Aircraft
Kill 100 Carriers.

Massive Wave Gun
Kill 999 Superships. This is the most powerful of all armaments. Its stats are Damage 32,000, Range 20,000, and Ammo 999.

Bonus unlocks
You will sometimes get different items for a "A" and "S" rank in some missions. Replay them and you may find new things.

Easy "S" rank
Take three of the lowest experience costing escorts and make sure they survive the mission. Just dump them off at a safe location and complete the mission. Having them alive increases your score.