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the X-302 was powered by a pair of jet engines with modified aerospikes for use at high altitude, plus a rocket booster for use in outer space.
But now Lockheed Martin believes it has the answer. "The Skunk Works has been working with Aerojet Rocketdyne for the past seven years to develop a method to integrate an off-the-shelf turbine with a scramjet to power the aircraft from standstill to Mach 6 plus," says Brad Leland, portfolio manager for air-breathing hypersonic technologies.
I will say with almost absolute certainty that, regardless of circumstantial evidence, the platform known as Aurora does not, and never has existed.
reply to post by grey580
By 2018 my right unmentionable. I'm willing to put money it's flying right now and has been for years. Which means it's going to have an incredibly successful and fast test program.
See this thread for moreedit on 11/1/2013 by Zaphod58 because: (no reason given)
The Aviation Week website is down for maintenance.
However I found this over on gizmodo.
As well as some other pics on the net that seem related to what was released on aviation week.
However. How freakin cool is this!
We get a SR-72 Mach 6 edge of space plane with optional strike capability?
reply to post by ItDepends
They passed Mach 4 and Mach 5 in the 60s with rocket powered aircraft. No air breathing aircraft has been able to do it for long, and they have until now required an assist, usually from a rocket booster, to get fast enough for the ramjet to kick in.
Oh, and your first pic is of a potential Russian bomber design.