Not too sure about all the damage (or lack of) to sink you, I am on my first mission, but have been attacked by two aircraft with hits made to my boat. I just dived to 230 feet and stayed there most of the day, til nightfall to surface.:hmm: So as of yet, I have not seen a bullet sink my boat.
But I will have to try to stay out of their way from now on.
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A quote from Donitz; “The reason that the American Navy does so well in wartime is that war is chaos, and the Americans practice chaos on a daily basis.” “For the lessons one fails to learn during peacetime, one pays a high price in war.”