National Security Journal on MSN
At 13,000 mph, DARPA’s Falcon HTV-2 could fly from NYC to LA in under 12 minutes at Mach 20, nobody has built anything faster
DARPA’s Falcon Hypersonic Technology Vehicle 2 (HTV-2) hit approximately Mach 20 — about 13,000 miles per hour or 3.6 miles per second. DARPA claimed the Falcon could fly from New York City to Los ...
Add Yahoo as a preferred source to see more of our stories on Google. Researchers with the U.S. military's Defense Advanced Research Projects Agency (DARPA) have successfully used Earth's atmosphere ...
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