Maj. William Knight flies the North American X-15A-2 to the unofficial absolute world speed record of Mach 6.72 (4,520 mph) over Edwards AFB, Calif.
A pair of Air Force generals are set to receive third stars and take over new commands. The Pentagon announced a new slate of nominations May 25. President Joe Biden nominated Maj. Gen. Stacey T. Hawkins to become a lieutenant general and the new commander of the Air Force Sustainment…