Funny docks
 

Its quite funny that if you infiltrate into docks with your sub,
you can sink any ship there and when dock defences come to get you,
if they get into proximity of dock they just get disabled no matter what..
so you can sunk anything you want without problems.
I don't know if it was posted before on this forum but now im posting it.
And its nice.. now i can complete 150k tons west of gibraltar just by sinking
anything that will come to docks

Its a feature....

feature? strange.... some modern age EMP is disabling ships when they get near xD