This week in Edwards history
/ Published June 23, 2017
EDWARDS AIR FORCE BASE, Calif. --
On June 23, 1961 Major Robert M. White became the first person to exceed Mach 5
when he flew the X-15 to a speed of Mach 5.27 (3,603 mph).
Breaking barriers since 1947 - Celebrating 70 years of supersonic flight.