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  Doolittle Raid – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Doolittle_Raid?uselang=de

  Keine Beschreibung vorhanden.

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  The flying "Heel Lift" - Arup S2 and S4 flying wings - YouTube

  https://www.youtube.com/watch?v=Nxz1UF67EQI

  A podiatrist from South Bend, Indiana, was responsible for one of the more distinctive and successful tailless designs of the Depression. Dr. C.L. Snyder, in...

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  Category:Seversky P-35 – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Seversky_P-35?uselang=de

  Keine Beschreibung vorhanden.

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