U.S., Australia Partner to Develop Air-Breathing Hypersonic Vehicles
The U.S. Department of Defense and the Australian Department of Defence announced a bilateral effort to advance the development of
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Hypersonic International Flight Research Experimentation (HIFiRE)
US-Australia conducts successful Mach 8 HiFire 4 hypersonic missile test
A hypersonic glide vehicle capable of moving at a speed eight times faster than sound has launched from a rocket
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