Home Videos GovCon Leaders VIDEO: U.S., South Korean Defense Leader Discuss Security ThreatVIDEO: U.S., South Korean Defense Leader Discuss Security ThreatNicholas HoffmanSeptember 5, 2017GovCon Leaders,Newshttps://www.youtube.com/watch?v=UX1ix2YAaG8Defense Secretary Jim Mattis and South Korean Defense Minster Song Young-moo discussed tempering North Korean aggression in a meeting at the Pentagon, Aug. 30, 2017.Video of the Day