Talk:Equipment/@comment-58.85.38.167-20131122144704/@comment-202.188.59.209-20131128131339

It's like trying to shoot cannon without main/sub cannon equipped, the efficiency would be gimped. Better to equip depth charge, then sonar if you have the slot to spare.

But it is entirely up to you. I do believe efficiency is much better with a sonar and depth charge together.