The Air Force retires the last of its T-43A training aircraft during a ceremony at Randolph AFB, Tex. The service flew the T-43 from 1973 as a flying classroom for navigators. Training in T-1 Jayhawks and T-6A Texan IIs replaced that in the T-43.
Small satellites meant to improve the way the U.S. measures Earth’s magnetic field—an option to expand the military’s position, navigation, and timing enterprise—launched March 30 from Vandenberg Space Force Base, Calif.
