DefenceTalkA hypersonic weapon moving at five times the speed of sound can travel across the Pacific Ocean in just over 100 minutes. U.S. adversaries are developing such weapons now, said Michael D. Griffin, undersecretary of defense for research and engineering. “They are quite capable,” Griffin said. “The advantage offered by a hypersonic offense is that […]https://www.defencetalk.com/hypersonics-remain-top-priority-for-pentagon-72487/