This Day in History:
March 10, 1948
NACA test pilot Herbert Henry Hoover becomes the first civilian to exceed the speed of sound when he flies the No. 2 Bell XS-1 to a speed of 703 mph (Mach 1.065).
American Aviation Historical Society1956 - 2025, Celebrating over 65+ Years of Service
This Day in History:
March 10, 1948
NACA test pilot Herbert Henry Hoover becomes the first civilian to exceed the speed of sound when he flies the No. 2 Bell XS-1 to a speed of 703 mph (Mach 1.065).