• From:DARPA 50th Anniversary Gallery

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    • Quiet Supersonic Platform

      Graham Warwick
      In 2000, Darpa launched the Quiet Supersonic Platform (QSP) program to demonstrate that sonic boom could be reduced sufficiently to allow unrestricted supersonic flight over land. Airframe shaping and lightweight structures were key technologies for QSP, envisioned as a Mach 2.4, 6,000-nm. range aircraft. Lockheed Martin and Northrop Grumman produced conceptual designs and in 2003 Northrop flew modified an F-5 to prove airframe shaping could change the shockwave signature and reduce sonic boom. (Photo: Northrop Grumman)

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