(Partway wikipedia reference) This is the USS Squalus, a sargo class submarine from WWII. those of you who have studied American naval history might know of this as the USS Sailfish, as the after compartment mass-flooding had converted half of the sub into a watery tomb. Up to the USS Squailfish, (Including the USS Squalus) 22 and a half submarines' worth of crew were lost. The sub includes two marker buoys, Four forward torpedo tubes(AG-1), and due to room constraints, two after torpedo tubes(AG-2). Both torpedo sets have 12 torpedoes. Controls: Pitch to move diving planes, yaw to turn, AG3 to release forward marker buoy, AG-4 to release aft marker buoy.