U.S. air campaign against Islamic State in Syria likely to end
US Defense Secretary Jim Mattis, who had opposed Trump's decision on Syria, abruptly announced on Thursday he was resigning after meeting with the president.
A U.S. B52 plane (R) flies during Exercise Eager Lion at one of the Jordanian military bases in Zarqa, east of Amman, Jordan, May 24, 2016. (photo credit: MUHAMMAD HAMED / REUTERS)ByREUTERS
