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 ...
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