Operation Nordseetour Operation Nordseetour was the first
Atlantic sortie of the German heavy
cruiser Admiral Hipper during December, 1940.
The first attack, on troop convoy WS-5A, took place in December 1940. Although one of the escorting British cruisers,
HMS Berwick, was heavily damaged, the impact on the convoy was limited to damage to two merchantman. Engine problems and low fuel stores obliged
Admiral Hipper to return to
Brest. En route, she encountered and sank the freighter
Jumna. Repairs took about a month to complete.
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