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In response to "The US Navy is developing a supersonic submarine. "...working on a technology called supercavitation that envelopes a submerged vessel inside an air bubble to mitigate drag." (mandy Penn State shout out) -- (edited)" by decline

exactly re: your im. nary a mention of that in the article is sucky. — nm

also ny to london as if that’s where it’d likely be used. uhhuh.

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