Soldier Greetings Defense Secretary Jim Mattis and South Korean Defense Minister Song Young-moo greet troops during a visit to the Demilitarized Zone between North and South Korea, Oct. 27, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (1.68 MB) Credit: Amber I. Smith VIRIN: 171027-D-SV709-0240.JPG Photo Gallery