The training aid for the US Submarine fleet at the end of the Second World War, How to Pilot a Submarine gives us an idea of just what life was like underwater and the various tasks a submariner would have to do. Restricted and unavailable till now, How to Pilot a Submarine will teach you how to crash dive, how to maintain the engines and batteries of a World War Two submarine and, most importantly, how to fire the torpedoes and to deal with life underwater.