NLMS Hydra (1911) Back side.jpg
Dutch Navy Personel
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NLMS Hydra (1911) Back side, The Dutch minelayer Hydra during a minlaying exercise
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NLMS Hydra (1911) Back side, Naval mines, Hr.Ms. Hydra (ship, 1912)
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オランダ海軍の敷設艦ハイドラ
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ハイドラ
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magnetic mine back exercise genus hydra hydra azolla die back