Incoming commander of United Nations Command (UNC), Combined Forces Command (CFC), and United States Forces Korea (USFK), U.S. Gen. Vincent Brooks speaks during a change-of-command ceremony at the Yonsan U.S. army base on April 30, 2016 in Seoul, South Korea. Brooks will succeed Gen. Curtis Scaparrotti, who had led 28,500 U.S. troops stationed in South Korea.