File:Bell X-1 46-062 (in flight).jpg

Summary
The #46-062 Bell X-1 rocket-powered experimental aircraft (known for becoming the first piloted aircraft to fly faster than Mach 1, or the speed of sound, on October 14, 1947) photographed during a test flight.

https://commons.wikimedia.org/wiki/File:Bell_X-1_46-062_(in_flight).jpg