missile test
South Korean President Moon Jae-in watches a test-firing of an indigenously developed ballistic missile at the state-run Agency for Defense Development in Taean, South Korea. The Presidential Blue House/Yonhap via Reuters hide caption
People watch news footage of a missile launch outside the main railway station in Pyongyang earlier this month. A North Korean missile test failed just moments after launch Wednesday, according to the U.S. and South Korea. Kim Won-Jin/AFP/Getty Images hide caption
An Emad ballistic missile is displayed by the Revolutionary Guard during a September 2016 military parade in front of the shrine of Iran's revolutionary founder Ayatollah Khomeini, just outside Tehran. Iranian Foreign Minister Mohammad Javad Zarif has said Iran's missile program is not part of a 2015 landmark nuclear deal between his country and world powers. Ebrahim Noroozi/AP hide caption
White House National Security Adviser Michael Flynn (right) put "Iran on notice" on Wednesday for a recent missile test and support for Houthi rebels in Yemen. Win McNamee/Getty Images hide caption
A ballistic surface-to-surface missile is fired by Iran's Revolutionary Guard, during a maneuver, in an undisclosed location in Iran on Wednesday. Omid Vahabzadeh/AP via Fars News Agency hide caption