1947: Captain Charles “Chuck” Yeager becomes the 1st person to fly faster than sound. Yeager “breaks the sound barrier” in his Bell X-1 airplane, Glamorous Glennis, named after his wife. He was able to reach 670-mph or Mach 1.015 at Muroc Dry Lake, California.
1962: U2 flight over Cuba discovers Soviet ballistic missile base.
1964: First flight of the Sikorsky YCH-53 Sea Stallion.