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 ...
This video shows the August 2011 test flight of HTV-2. Learn more about DARPA’s HTV-2 program at http://go.usa.gov/KXs This video shows the August 2011 test flight ...