Hypersonic vehicle fails flight test: US Air Force
A flight test of an experimental unmanned vehicle designed to fly at hypersonic speeds has ended in failure, the US ...
A flight test of an experimental unmanned vehicle designed to fly at hypersonic speeds has ended in failure, the US ...
Following an extensive seven-month analysis of data collected from the Aug. 11, 2011, second flight of DARPA’s Hypersonic Technology Vehicle ...