Gen. Craig R. McKinley receives his fourth star from Defense Secretary Robert M. Gates and takes charge of the National Guard Bureau. He is the first four-star general to head the NGB and the first Air Force officer since 2002.
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.
