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Navy PA announcement via a speaker, middle aged man says, "go one"
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Navy PA announcement, middle aged man says, "aye, aye, calm"
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Navy PA announcement via a speaker, young man says, "down periscope"
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Navy PA announcement, young man says, "go one"
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Navy PA announcement man says, "go four"
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Navy PA announcement, middle aged man says, "battle stations"
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Navy PA announcement. Young man says, "Sonar con target is at 170."
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Navy PA announcement. Middle aged man says, "Maintain a heading of 172 at 23 knots."
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Navy PA announcement. Middle aged man says, "Aye aye."
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Navy PA announcement via a speaker. Young man says, "Captain on deck."
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