Can periscopes in submarines work underwater?

Mudassir Ali
Feb 06, 2020 03:59 PM 0 Answers
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Mudassir Ali
- Feb 06, 2020 03:59 PM

Absolutely. Once shortly after submerging near the Bahamas, I had an uncertain indication on a missile hatch. There is not greater sin than an unplanned surface, so I wasn’t sure how to check. The Captain told me to just raise the scope and look at the missile deck. I felt stupid as I had never thought of that. The water is like glass near the Bahamas and I could see as clearly as if surfaced.

Of course most of the ocean is not that clear and as you get deeper it is dark no matter the water quality. There is also a depth limit where the hydraulics cannot overcome both the sea pressure and weight of the scope to raise it.

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