1. I have taken out very small merchants with the AA gun out of boredom but it took nearly every AA round on the boat to do it.
2. cant answer this qestion as i never really attack further than 1200 or so meters at the most.
3. Hold you finger over the backspace key, when the waterline of the boat touches the UZO or Periscope horizontal line press backsapce and it will pause the game... but you can still use the range finder while paused.
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