(Photo Gallery) Secretary Tillerson Arrives at Osan Air Base in South Korea

U.S. Secretary of State Rex Tillerson walks with Marc Knapper, U.S. Embassy Seoul Chargé d’Affaires ad interim, and Gen. Vincent K. Brooks, U.S. Forces Korea commander, upon arriving at Osan Air Base outside of Seoul, South Korea, on March 17, 2017. [State Department photo]

U.S. Secretary of State Rex Tillerson walks with Marc Knapper, U.S. Embassy Seoul Chargé d’Affaires ad interim, and Gen. Vincent K. Brooks, U.S. Forces Korea commander, upon arriving at Osan Air Base outside of Seoul, South Korea, on March 17, 2017. [State Department photo]