The Cutie
http://www.geocities.com/Pentagon/1592/ustorp4.htm#fn12
They should be fired from a depth of 150 feet, the depth considered safe by the Navy. The Cutie had a floor switch that disable arming below the set depth. I am not so sure that using an acoustic torpedo from the stern tubes is a real good idea. Unless you are not using the engines you could be asking for trouble.