Project Mayhem, the Air Force’s secret hypersonic bomber, would be an air-breathing Mach 10 replacement for the SR-71. The U.S. Air Force Research Laboratory recently awarded a $334 million contract ...
Summary and Key Points: Project Mayhem is the U.S. Air Force’s secret hypersonic program aiming to develop a Mach 10 air-breathing ISR and strike aircraft, potentially replacing the SR-71 Blackbird.
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