Close Overlay Modal
U.S. Defense Secretary Jim Mattis, rear right, and South Korean Defense Minister Song Young-moo inspect a guard of honor from a car during a welcome honor guard ceremony at Defense Ministry in Seoul, South Korea, Saturday, Oct. 28, 2017. Mattis said the threat of nuclear missile attack by North Korea is accelerating. (AP Photo/Lee Jin-man)

U.S. Defense Secretary Jim Mattis, rear right, and South Korean Defense Minister Song Young-moo inspect a guard of honor from a car during a welcome honor guard ceremony at Defense Ministry in Seoul, South Korea, Saturday, Oct. 28, 2017. Mattis said the threat of nuclear missile attack by North Korea is accelerating. (AP Photo/Lee Jin-man)