U.S. Air Force Capt. Milburn Apt reaches Mach 3.196 in the Bell X-2, becoming the first pilot to fly three times the speed of sound. Apt is killed, however, when the aircraft tumbles out of control.
The use of a military counter-drone laser on the southwest border this week—which prompted the Federal Aviation Administration to abruptly close the airspace over El Paso, Texas—will be a “case study” on the complex web of authorities needed to employ such weapons near civilian areas and the consequences of agencies…

