They will not be found by sonar, meaning they can swim around submarines (潜水艇) unnoticed compared to anti-submarine aircraft (反潜艇飞机), anti-submarine “fish” are cheaper and can work better.Along with military and research uses, underwater rescue (救援) and archaeology (考古) can ...
An American submarine warfare officer, engineer, and NASA astronaut, Kayla Barron continued to break barriers in 2023, expanding the realms of space exploration and recognition of women in these fields. Following her selection in 2017, she qualified as an astronaut in 2020 and was on the 'Space...
because that way we'd get free guns. It seemed like a real good idea at the time. I can sell stories just fine, so I went to it, and now I'm "a gun writer."
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34."In the 1980s, I had a classmate (I'll call him Dan) who had weight issues. We were learning how submarines worked in science class. T teacher said, 'I have a question for the class but who should I ask? I know, I’ll ask someone who LOOKS like a submarine — Dan?' The...
They will not be found by sonar, meaning they can swim around submarines (潜水艇) unnoticed compared to anti-submarine aircraft (反潜艇飞机), anti-submarine “fish” are cheaper and can work better.Along with military and research uses, underwater rescue (救援) and archaeology (考古) can ...