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.
In the final few hours before the Senate adjourned for its Memorial Day recess on May 26, lawmakers approved a raft of some 3,400 pending military nominations, including a number of high-profile Air Force and Space Force generals to assignments that will significantly reshape some of the upper echelons of…