Photo: IWM ZZZ3130C/UK Government/Wikimedia • Believed to be in the Public Domain (Crown Copyright expired)
HMS Dorsetshire picking up survivors
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HMS Dorsetshire and HMS Maori attempted to rescue survivors, but a U-boat alarm caused them to leave the scene after having rescued only 110 Bismarck sailors, abandoning the majority of Bismarck's 2,200-man crew to the mercy of the water. The next morning, U-74, dispatched to try to rescue Bismarck’s logbook (and which heard sinking noises from a distance), picked up three survivors and the German weather ship Sachsenwald picked up two survivors.
Source: Wikipedia.org