Thanx for the answers, mates!

i hope Foxer (or something similar) is implemented in SHIV;
i agree, safe-keeper: homing torps make it just too easy to kill destroyers..

Maybe Smoke screens could be possible, unless you kill the fps by enabling them... When Tirpitz laid in the norwegian fjord "Kåfjord" outside Alta, she was surrounded by smoke enabling devices mounted on shore and on a nearby hill:
About AN/SLQ-25 NIXIE:
http://www.fas.org/man/dod-101/sys/s.../an-slq-25.htm
Anyway, thanx again for your time & answers!