The final F-22 Raptor rolls off the assembly line at Lockheed Martin’s Marietta, Ga., facility. It is tail #4195 and completes the 187 production aircraft USAF ultimately orders. Lockheed built a total of 195 F-22s, including eight test aircraft. Two production aircraft have crashed.
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.
