Operation Strangle (March 19-May 11) ends. Mediterranean Allied Air Forces’ operations against enemy lines of communication in Italy total 50,000 sorties, with 26,000 tons of bombs dropped.
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.
