... and the US sub reports were easy enough to find:
http://www.hnsa.org/resources/manual...atrol-reports/
I just can't find those pdf files of the post-war IJN interviews... keltos01 is the one that pointed me to them... full of all sorts of IJN info on their "ASW".
Edit: I did find keltos01's old post though - but the links are dead...
http://www.subsim.com/radioroom/show...56#post1021356
Edit: here we go!:
https://www.ibiblio.org/hyperwar/USN/rep/NTM/NTM.html
I'll leave it for you to get lost in the list of reports...
I take that back... No links to the old pdf files of the microfilm copies... Dagnabbit! sorry