Yeah I know sink them or run.
I hate them and their stupid 'Y' guns

I can handle the big fleet destroyers with their roll -off the stern DC's but these damn 'Y' guns bring back the bad experience running a U-Boat in Western Approaches area in SH3. They drop around you like snowflakes as these scows take their sweet time toddling around looking for your sound signature. I like a challenge and it is a challenge in the Torpedo Mission in Submarine School (I edited out the MOGAMI and put in the TYPE D and with the GATO class configured for 1944 using dud torpedoes. Kaibokan crew is crew as veterans (3) which it should be in my opinion. The sea file name I can't remember but this vessel is in the Museum as a Type D and I believe this evil little tub is in TMO 2.5 or FOTRS mod. Not sexy looking but evil....
I press my luck and go 490 to 500 ft and do the coasting and hard turns as they make their run over me. Silent running and all that. But in my training mission I still haven't a handle on how to get out from under them. If you get a fish in them they are quite flimsy (heh-restart the mission-haven't lasted long enough to escape them to reattack.) I'd hate to run into any number of them in a convoy.
Hats off to whoever designed it.