Europe is moving toward a decisive moment in its effort to build a homegrown shield against hypersonic missiles, with two rival defense projects now facing a forced choice: merge or compete for ...

Russian President Vladimir Putin said a medium-range system armed with Moscow's latest Oreshnik hypersonic missiles would be placed on combat duty by the end of the year, after the weapon was used for ...

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REDSTONE ARSENAL, Ala. – The U.S. Army Space and Missile Defense Command Technical Center’s Aerophysics Research Facility, or ARF, fired a successful hypersonic shot Dec. 11 to test its new rainfield ...

"Hypersonic" refers to speeds over Mach 5, or five times the speed of sound. That's approximately 3,800 miles per hour, a pace that could take you all the way around the equator in less time than it ...