First Air Force jet raids are flown against an enemy concentration in South Vietnam. American pilots fly Martin B-57 Canberra bombers and North American F-100 fighters against the Viet Cong in South Vietnam, near An Khe.
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.
