RIDING the ROCKET: The Bell X-1's Top Secret 1947 Flight [Restored Film] This restored and colorized short film features rare historical footage of the Bell X-1 and Captain Chuck Yeager, documenting the top-secret 1947 flight that broke the sound barrier. Lesser-Known Facts: * Bullet Shape: The X-1's fuselage was a "body of revolution" based directly on the .50 caliber Browning machine gun bullet, which was known to be stable in supersonic flight. * The "Flying Tail": The single most important b

Watch the Bell X-1 break the sound barrier! | Military Machine