National Security Journal on MSN

Mach 6 SR-72 Darkstar Could Soon Be the ‘Fastest Plane on Earth’

SR-72 Could Soon Replace SR-71 As Fastest Plane Ever? Yes, the SR-71 Blackbird officially remains the fastest acknowledged ...
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The Fastest Business Jet in History Hits a Dazzling New Record

"The ultimate time machine" just surpassed its own performance with a new top speed that blows competion out of the water ...