2014-09-22T224547Z_1_OV12L82M9_RTRMADC_0_AT-SEA-IRAQ-CRISIS-NAVY-ROUGH-CUT-O

The U.S. military expanded its war against the Islamic State late Monday by sending waves of warplanes and launching Tomahawk missiles into Syria to attack an array of targets in an aggressive and risk-laden operation that marks a new phase in the conflict. (Reuters)