As far as your quick death, I'll quote a part of the included readme:

"I have randomized the starting position of your sub within a radius of 15km. This means that you will spawn anywhere in that circle. You may spawn behind, in front or on either side of the convoy. The distance will also be a random number. This means that the mission will play out differently every time."

My guess is that you were the inluckiest sailor in the world to have spawned right on top of the enemy. As many times as I have played that mission I have never even come close to that happening, although obviously there is a miniscule chance that it may.

**EDIT: I just did a test and found that it was ALL the iceberg types that were crashing my game. After many hours of trying anything I could think of, the one thing I never tried were the icebergs.


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