Message posted by Scot Tway on August 26, 2008 at 22:47:39 PST:
I believe the Aussies are in the lead right now. The US and Great Britain for sure....and probably the Russians and Chinese too. Try the Aviation Week website for more info.
In Reply to: Scramjets posted by RG on August 26, 2008 at 15:27:02 PST: