With company test pilot Al White and Col. Joe Cotton at the controls, the North American XB-70 Valkyrie research aircraft records its highest speed, Mach 3.08.
The Air Force is on track to reach its annual goal of graduating 1,500 new pilots that had proved elusive to this point, one year after the service launched a sweeping overhaul of its undergraduate pilot training program, Air Education and Training Command said Sept. 14.
