Defense Secretary Mark Esper talks with U.S. troops in front of an F-22 fighter jet deployed to Prince  Sultan Air Base in Saudi Arabia, Tuesday, Oct. 22, 2019.  (AP Photo/Lolita Baldor)
US Defence Secretary Mark Esper talks with US troops in front of an F-22 fighter jet deployed to Prince Sultan Air Base in Saudi Arabia, Tuesday, October 22, 2019. AP

US troops from Syria to leave Iraq in four weeks