[Jimbuna]

The game imposes upon us a sense of parameters that we'll probably never fully understand.

Keep as low a cross-sectional profile to the escorts and maintain a depth that allows no margin of 'porpoise' level and that should minimize your chances of being detected.

Rest assured, once you have given the enemy a 'sniff' of your presence, every tool in his arsenal will be activated to bring about your demise.