USS O'Brien (DD-725) firing a Mark 15 torpedo c1953.jpg
U.S. Navy
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USS O'Brien (DD 725) firing a Mark 15 torpedo c1953, The U.S. Navy destroyer USS ''O'Brien'' firing a Mark 15 torpedo during an exercise, circa 1952-1954. Note the torpedo's yellow exercise warhead and the gray smoke from the black powder launching charge.,  firing a Mark 15 torpedo, circa 1953.
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USS O'Brien (DD 725) firing a Mark 15 torpedo c1953, Mark 15 torpedo, USS O'Brien (DD-725)
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オブライエン魚雷の黄色い運動弾頭と黒色火薬発射薬からの灰色の煙に注意。Mark 15魚雷を発射
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オブライエン
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homing torpedo torpedo o'brien warhead