After two spaceflights, Grissom was at the top of the test pilot pyramid, and the risks grew greater.
The Right Stuff
Retired Air Force Brig. Gen. Charles E. “Chuck” Yeager died Dec. 7, at age 97. Yeager was a World War II fighter ace and most widely remembered as the first man to fly through Mach 1—the speed of sound—in 1947. He tested numerous research aircraft ...
