With company test pilot Al White and Col. Joe Cotton at the controls, the North American XB-70 Valkyrie research aircraft is taken to Mach 3 for the first time, the speed regime it is designed to investigate.
Trainees in Basic Military Training and technical school no longer have the option to try alternate PT drills if they fail an initial assessment, according to a policy change the Air Force made in April. The move is part of a larger shift out of the classroom and into hands-on,…