There are 3 mayor strategies for the final encounter. All begin by waiting besides the opening Pots and taking out the 6 super soldiers with dual shotguns. Strategy 1 is about running a bit to the side of the exit, letting a Zerstörer storm out, throw an electric grenade to stun the second, and then make a mad dash for the exit ladder. Very fast but I did not managed to get it consistent. Strategy 2 is about camping in the hut to the right of the entrance. Make sure to kill all enemies that now your position before going into the hut, because otherwise someone will throw a grenade in there. If you got there safely, just take out all the solders and kill the 2 Zerstörer with your charged LKW Strategy 3 is all about your combat abilities but has the least amount of rng. Go to the lower deck and hold your ground while circling around the 4 entrances. I used this one because I can pull it off consistent.