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New top story on Hacker News: The US military is testing stratospheric balloons that never have to come down

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New top story on Hacker News: The US military is testing stratospheric balloons that never have to come down New top story on Hacker News: The US military is testing stratospheric balloons that never have to come down Reviewed by Qamar javed on November 16, 2018 Rating: 5

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