The first missile defense interceptor at Vandenberg AFB, Calif., is installed, joining six interceptors already in the ground at Ft. Greeley, Alaska, as the initial units in the Missile Defense Agency’s ground-based system for protection against ballistic missile attack.
The U.S. began extensive air and artillery strikes against Islamic State group targets in Syria on Dec. 19 in retaliation for the killing of three Americans on Dec. 13 by a gunman affiliated with ISIS, U.S. officials said.
