President Donald Trump and first lady Melania Trump greet members of the military at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump visit with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump visits with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump arrive to visit with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump, accompanied by National Security Adviser John Bolton, third from left, first lady Melania Trump, fourth from right, US Ambassador to Iraq Doug Silliman, third from right, and senior military leadership, speaks to members of the media at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump, accompanied by first lady Melania Trump, right, and senior military leadership, speaks to members of the media and military personnel at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
President Donald Trump visits with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump visit with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
Members of the military cheer as President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. President Donald Trump, who is visiting Iraq, says he has 'no plans at all' to remove US troops from the country. (Andrew Harnik/AP)
President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. President Donald Trump, who is visiting Iraq, says he has 'no plans at all' to remove US troops from the country. (Andrew Harnik/AP)
President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. President Donald Trump, who is visiting Iraq, says he has 'no plans at all' to remove US troops from the country. (Andrew Harnik/AP)
President Donald Trump kisses first lady Melania Trump during a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. President Donald Trump, who is visiting Iraq, says he has 'no plans at all' to remove U.S. troops from the country. (Andrew Harnik/AP)
President Donald Trump, accompanied by National Security Adviser John Bolton, third from left, first lady Melania Trump, fourth from right, US Ambassador to Iraq Doug Silliman, third from right, and senior military leadership, speaks to members of the media at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. (Andrew Harnik/AP)
National Security Adviser John Bolton attends a meeting with President Donald Trump and senior military leadership at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. President Donald Trump made an unannounced trip to Iraq on Wednesday to meet U.S. troops. It's the sixth time that a U.S. president has visited Iraq. (Andrew Harnik/AP)
National Security Adviser John Bolton, center, listens as President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
First lady Melania Trump, left, and President Donald Trump stand together on stage during a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump shakes hands with a member of the military who said he went back into the military for President Trump, at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump, center, accompanied by first lady Melania Trump, center left, speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
First lady Melania Trump smiles as she steps away from the podium after speaking alongside President Donald Trump at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump arrives for a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump waves as he leaves a dining hall after visiting members of the military at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump visit with members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump pose for a photograph as they visit members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
Members of the military listen as President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump speaks at a hanger rally at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
First lady Melania Trump visits with troops at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)
President Donald Trump and first lady Melania Trump pose for a photograph as they visit members of the military at a dining hall at Al Asad Air Base, Iraq, Wednesday, Dec. 26, 2018. In a surprise trip to Iraq, President Donald Trump on Wednesday defended his decision to withdraw U.S. forces from Syria where they have been helping battle Islamic State militants. (Andrew Harnik/AP)