FILE PHOTO: U.S. President Donald Trump delivers remarks to U.S. troops, with Afghanistan President Ashraf Ghani standing behind him, during an unannounced visit to Bagram Air Base, Afghanistan, November 28, 2019. REUTERS/Tom Brenner/File Photo
FILE PHOTO: U.S. President Donald Trump delivers remarks to U.S. troops, with Afghanistan President Ashraf Ghani standing behind him, during an unannounced visit to Bagram Air Base, Afghanistan, November 28, 2019. REUTERS/Tom Brenner/File Photo