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Video: China fires new shockwave-riding hypersonic missile in first live-fire test
A cold launch, a near-vertical strike profile, and a 10,000-ton warship beneath it. China has finally shown how the YJ-20 ...
WASHINGTON — Rocket engine maker Ursa Major landed a $32.9 million deal to supply 16 advanced propulsion systems to Stratolaunch for hypersonic flight tests. Under the contract announced June 16, ...
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