Quote:
Originally Posted by MidnightTempest
Military naval history in WWII isn't my forte, but didn't Gunther Prien sneaked into Scapa Flow and sank the Royal Oak?
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And that was about the only time it ever happened. Early in the war before Allied harbour defences were properly strengthened. Aside from laying mines, most U-Boats kept well away from the shallow waters of busy harbours.