President Donald Trump addressed U.S. and Japanese troops at the Yokota Air Base outside Tokyo on Nov. 5 just after his arrival in Japan on the first leg of his five-nation trip to Asia. (AP Photo/Eugene Hoshiko)

President Donald Trump addressed U.S. and Japanese troops at the Yokota Air Base outside Tokyo on Nov. 5 just after his arrival in Japan on the first leg of his five-nation trip to Asia. (AP Photo/Eugene Hoshiko)