4 by jdmark | 1 comments on Hacker News.
Sunday, August 29, 2021
August 29, 2021
New top story on Hacker News: Air Independent Propulsion Could Create Silent Killer Submarines
Air Independent Propulsion Could Create Silent Killer Submarines
4 by jdmark | 1 comments on Hacker News.
4 by jdmark | 1 comments on Hacker News.
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