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The Navy Is Arming Nuclear Subs With Lasers. No One Knows Why.
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https://www.popularmechanics.com ... 28/uss-ford-toilet/
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...Open-source budget documents, the earliest of which date back to 2011, show the Navy¡¦s plans to arm Virginia-class nuclear subs with high-energy laser weapons. It¡¦s a strange idea seeing as laser weapons definitely do not work underwater.
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Much like sunlight, laser light also scatters and absorbs very quickly in water. It¡¦s why underwater laser communications dissipate at a few hundred meters.
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¡§We cannot comment on specific R&D efforts due to classification level,¡¨ Tim Pietrack of the Navy Office of Information told Popular Mechanics.
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¡§High-energy lasers can disable the
guidance systems on drones and ignite the fuel and munitions
on small boats like the Iranian Boghammars,¡¨
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... Whatever the reason, these lasers won¡¦t be fully operational for at least three years, based on planned upgrades for the Virginia-class photonics mast.
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https://en.wikipedia.org/wiki/Photonics_mast
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