Oct. 14, 1947: Flying faster than sound

A Historic Breakthrough in Aviation

On October 14, 1947, U.S. Air Force Captain Chuck Yeager flew the experimental Bell X-1 aircraft, named Glamorous Glennis, faster than the speed of sound. This historic achievement marked a major turning point in atmospheric flight and aerospace technology.

Technical Details of the Flight

Designed to mimic the aerodynamic shape of a .50 caliber bullet, the experimental Bell X-1 was launched from the bomb bay of a heavy bomber. With Yeager at the controls, the aircraft reached a speed of 700 mph (1,127 km/h), successfully piercing the sound barrier.

Paving the Way for Space Travel

Demonstrating that aircraft could safely travel faster than sound revolutionized aerodynamics and aerospace engineering. This pioneering success laid the essential technological foundation for supersonic aviation and future human spaceflight missions.