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Originally Posted by Ozy_Flame

New U.S. military plane that can (hypothetically) reach speeds of 13,000 miles/hour will be tested live:

http://www.guardian.co.uk/world/2011...t-plane-falcon

It can potentially get from London to Sydney in one hour, and the last test they did on this thing got to Mach 22

http://www.guardian.co.uk/world/2011...ght?intcmp=239