USAF formally retires the T-37 Tweet training aircraft during a ceremony at Sheppard AFB, Tex. The T-6A has replaced the T-37, which served for more than 50 years as part of the Air Force’s undergraduate pilot training force.
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.
