http://psk.blog.24heures.ch/archive/2020/06/18/le-sikorksy-boeing-sb-1-%C2%A0defiant%C2%A0-a-atteint-les-205kt%C2%A0-869375.html
https://en.wikipedia.org/wiki/Sikorsky%E2%80%93Boeing_SB-1_Defiant
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