Some 1,250 U.S. bombers, escorted by 670 fighters, deal Berlin its heaviest daylight blow, dropping 3,000 tons of bombs on transportation and industrial areas in the largest air attack of the war.
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.
