[quote][b][url=/v3/forum/avions-sans-pilote-38/topic/drones-actu-901/?post=50608#post-50608]ogotaï[/url] a dit le 28/05/2010 à 20:58 :[/b]

[url=http://www.wpafb.af.mil/news/story.asp?id=123206524]Le X-51A a atteint Mach 5[/url][quote] An X-51A Waverider flight test vehicle successfully made the longest ever supersonic combustion ramjet-powered hypersonic flight Wednesday, May 26 off the southern California Pacific coast.
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[url=http://www.opex360.com/2010/05/27/premier-vol-reussi-pour-le-x51a-waverider/]Ou Mach 6 peut-être ?[/url][/quote]