AA-1, the test aircraft for the conventional takeoff and landing version of the F-35, flies supersonic for the first time during testing over northern Texas, flying out of the Lockheed Martin Fort Worth, Tex., facility. It reached Mach 1.05 at 30,000 feet, carrying weight to simulate a full weapons load.
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.
