National Security Journal on MSN
The Mach 1.4 X-59 Could Create Military Nightmares for Russia and China
Key Points and Summary – NASA and Lockheed’s X-59 just flew, proving “quiet supersonic” can replace the sonic boom with a ...
National Security Journal on MSN
The Mach 5 X-51 Waverider ‘Scramjet’ Has a Message for Russia and China
Key Points and Summary – The X-51 Waverider’s 2013 flight—air-launched from a B-52 and accelerating to Mach 5.1—remains the longest air-breathing hypersonic run on record and a pivot point for U.S.
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