A-10 Thunderbolt IIs taxi to a parking spot on the flight line at Lajes Field, Azores, Portugal, Oct. 9, 2014. The jets flew in as part of a coronet, which is the term the Air Force uses to describe the movement of jets coming in, refueling, and departing the island. (Air Force photo by SSgt. Zachary Wolf.) (Click on image above to reach wallpaper version.)
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.