Image: ESA's Vega rocket with IXV payload

ESA's Vega rocket, with IXV on top, now awaits its fourth flight with liftoff on 11 February at 13:00 GMT (14:00 CET) from Europe's Spaceport in Kourou, French Guiana.

Image: X-51A Makes Longest Scramjet Flight

(PhysOrg.com) -- The X-51A successfully made the longest supersonic combustion ramjet-powered hypersonic flight to date off the southern California coast on May 26. It was powered by a SJX61-2 that was first validated in ...

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