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.
A new think tank report calls for a buildup of U.S. drones and munitions needed for a potential fight against the Chinese military over Taiwan, thought other experts argue the report is missing some nuance in the munitions equation.
