To finish the mission with good results edit the file
Silent Hunter 2: Cheat Codes Free Download
“Sim.ini” located in C: \ Program Files \ SSI \ Silent Hunter II \ Sim
And add the following lines to the end of it:
[ULTIMATION]
cheat = TRUE
Now during the mission just press [Ctrl] + [Shift] + [~]
and as a result – successful completion of the current mission.