The Mach 6 Scramjet Could Fly from JFK to SFO in an Hour (if it Doesn't…

We could have had Bin Laden in 1998. However, in the 80 minutes it took for a volley of cruise missiles travel from US ships in the Arabian Gulf over to his training camp in Afghanistan, he had done packed up and left. If those warheads had been riding on the new X-51 hypersonic jet engine, they'd have made his day… » 8/21/12 11:30am 8/21/12 11:30am