The Pentagon successfully demonstrated a hypersonic glide vehicle Oct. 30, lofting an experimental payload on a rocket from Hawaii that -- during its ultra-fast, unpowered flight more than 2,000 nautical miles to the Marshall Islands across the upper reaches of the atmosphere over the Pacific Ocean -- verified technological advances relevant to a potential future U.S. military hypersonic strike system. The event -- dubbed Flight Experiment-1 -- was a high-stakes assessment three years in the making by the Defense Department's...
