U.S. President Donald Trump eats dinner with U.S. troops at a Thanksgiving dinner event during a surprise visit at Bagram Air Base in Afghanistan, November 28, 2019. President Donald Trump made an unannounced Thanksgiving visit to U.S. troops in Afghanistan. REUTERS/Tom Brenner

U.S. President Donald Trump eats dinner with U.S. troops at a Thanksgiving dinner event during a surprise visit at Bagram Air Base in Afghanistan, November 28, 2019. Trump his first trip to the country since becoming president and a week after a prisoner swap between Washington and Kabul that raised hopes for a revival of peace talks. REUTERS/Tom Brenner

U.S. President Donald Trump serves U.S. troops food at a Thanksgiving dinner event during a surprise visit at Bagram Air Base in Afghanistan, November 28, 2019. REUTERS/Tom Brenner

U.S. President Donald Trump serves U.S. troops food at a Thanksgiving dinner event during a surprise visit at Bagram Air Base in Afghanistan, November 28, 2019. REUTERS/Tom Brenner

U.S. President Donald Trump eats dinner with U.S. troops at a Thanksgiving dinner event during a surprise visit at Bagram Air Base in Afghanistan, November 28, 2019. REUTERS/Tom Brenner

U.S. President Donald Trump speaks to members of the news media after serving U.S. troops Thanksgiving dinner at Bagram Air Base in Afghanistan, November 28, 2019. REUTERS/Tom Brenner