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The X-Factor
Military Aviation History · 28 октября 2026 г. · 9 мин
Find the video here https://www.youtube.com/watch?v=2Qv8YvlXB-4 During World War II the Douglas Aircraft Company in California was approached by Air Technical Service Command, US Air Force, for a design proposal under Materiel, Experimental Project MX-656 to explore the transonic speed regime. A contract for a design study was signed just before war's end, marking the beginning of a remarkable series of experimental aircraft (the X-Planes) that would push the limits of flight.