My own mk48 got me.

[Shadriss]

Originally Posted by max-peck

In the game Mark 48's will not target own sub if the wire is attached
If the wire is broken they will target anything

Is this not the case in real life?

No, they wouldn't. ACR (Anti-Circular Run) was made part of torpedo targeting logic a long time ago to prevent this very thing. USS TANG (IIRC) was a victim of her own torpedo during WWII with a dumb fire torpedo that had another issue, and she wasn't the only one. The ACR isn't wire-guide dependent, it's built into the torpedo's targeting and gyro logic. The 60* wire guide cone is another issue I have with the game, as it's far more restrictive than RL, though I won't go into that here for what I hope are obvious reasons.

Originally Posted by Berserker

Doesn't it make you wonder how they can put IFF on a fighter plane but they can't have the subs and torpedoes with the same?? Fighters and bomber cost millions but a sub costs billions and a lot more lives are at risk on a sub..

Simple, actually - IFF is radio based, and radio waves don't travel through water well. As in at all. This is why subs have to come to PD for radio traffic. The closest that we could get to this is to have every submarine's acoustic signature in the torpedo logic, and even that wouldn't work. Even in a given class of ship (say the 688's for this example), while a lot of the signature would be the same from ship to ship, loarge portions would also vary, so that wouldn't work either. NM the amount of memory and processing the torp would need to make it work.

No, ACR or any of the newer systems that prevent this issue would be the way to go with this.