The U.S. lead in the technologies of high-speed flight is in question, particularly as it pertains to military applications. Several countries around the world have been quite busy establishing their own capabilities, in many cases building directly on work gleaned from the United States.
These countries have recognized the military potential of speed and see it as a promising counter to U.S. capabilities. –
Their investments have been significant, their advancements notable, and their accomplishments in some cases startling.
These countries have made no secret of the fact of their interest in hypersonics, nor of their intentions. They have taken advantage of data and lessons learned from the United …