Feb 27,2018 Special Forum US-ROK Deterrence Architecture The North Korean nuclear and missile threat has been rapidly increasing especially since 2017. During this past year, US intelligence agencies released two major new assessments of North Korea’s intercontinental ballistic missile (ICBM) capability that are different from the past ones. The first assessment reduced the time in which North Korea is expected to achieve […] Seol In-hyo* Lee Jang-wook* decoupling , Kill-Chain , Korean Air Missile Defense , Korean Massive Punishment and Retaliation , US extended deterrence