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Lockheed X-24C (L-301) was an experimental air breathing hypersonic aircraft project by NASA and the USAF. NASA cancelled the project in 1977 ,the USAF side maybe went black. #aviation #NASA #USAF #Aircraft #History @LockheedMartin
Drawing of a XB-70 by Julian le Pelletier #aviation #AvGeek #USAF #aviationphotography #art