In an interview last week, President Trump called Kim Jong Un a "smart guy" and said he would reach out to the North Korean leader.

North Korean leader Kim Jong Un inspected a facility that produces nuclear material and called for bolstering the country’s nuclear fighting capability, state media reported Wednesday, as the

South Korea 's Yonhap News Agency said North Korea might be using a vertical cold-launch system to fire the missiles. The system, which is commonly associated with submarine- and ship-based weapons, ejects a missile from its container before the missile ignites midair.

North Korean leader Kim Jong Un inspected a facility that produces nuclear material and called for bolstering the country’s nuclear capability, state media reported on Wednesday.

Kim Jong Un visits a North Korean nuclear facility and emphasizes the need for expansion, following Donald Trump's statement that he plans to "reach out" to North Korea once more.