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.
Air Force Gen. Alexus G. Grynkewich assumed command of U.S. European Command on July 1, taking over the key assignment as the U.S. and its allies contend with a resurgent Russia and a grinding war in Ukraine.
