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X-Planes
Stories From X-Planes
X-31 Is the X-Plane That Should Not Be Forgotten
The X-43 Nearly Hit Mach 10 and Broke Records. Why Did the U.S. Government Cancel It?
X-15: The Air Force's Plan to Hit Mach 6.7 and Shatter Speed Records
X-4 Bantam: A Short-Lived X-Plane That Changed Everything
X-3 Stiletto: Built for Mach 2 Speed, Destined to Disappoint
The Tragic Fate of the X-2, the First Aircraft to Reach Mach 3
X-44 Manta: What the New NGAD Fighter Could Eventually Look Like?
X-15: How This Historic X-Plane Hit Mach 6.7
These X-Planes Were So Secret That Their Huge Impact May Never Be Known
X-43: Why the U.S. Military Cancelled This Mach 9.6 Monster