[TorpX]

Originally Posted by Rockin Robbins

To make it even weirder, most of the mark 23's were back-converted to Mark 14s because skippers wanted that slow speed for long shots.

I've wondered about this. As you say, the odds of getting a hit beyond 4,500 yds. would seem to be much reduced. Were IJN ASW efforts that much better? Or maybe sub skippers just wanted to keep their options open, and have the longer range, just in case.