When in among a convoy select your targets carefully, and keep a watch on escort ships, only attack if the odds are in your favour, overlapping shots are good. If you’re in a position to study your enemy do so and plan your attack, better odds if you can plan. Never risk reckless attacks.
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Dr Who rest in peace 1963-2017. 
To borrow Davros saying...I NAME YOU CHIBNALL THE DESTROYER OF DR WHO YOU KILLED IT! 
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