WTF Q? everytime we think we are out, they pull us back in. WWIII or Civil War, seems to be your options:

https://www.zerohedge.com/news/2018-09-06/syrian-regime-change-table-trump-does-180-shift-syria-wapo-sources

The radical departure from Trump's prior outspokenness against militarily pursuing Syrian regime change, both on the campaign trail and during his first year in the White House, reportedly involves "a new strategy for an indefinitely extended military, diplomatic and economic effort there, according to senior State Department officials".