Talk:Hypervelocity Wind Tunnel 9

External links modified
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 * Added archive https://web.archive.org/web/20111226032848/http://www.arnold.af.mil/shared/media/document/AFD-080625-010.pdf to http://www.arnold.af.mil/shared/media/document/AFD-080625-010.pdf

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Cheers.— InternetArchiveBot  (Report bug) 09:53, 7 April 2017 (UTC)

"Brought to America" from where?
In the history section, it says several experimental wind tunnels "were brought to America," but it neglects to say from whence they were brought. Mars? Aergentina? Romania? I'm guessing Germany...173.62.25.90 (talk) 20:18, 21 January 2020 (UTC)