The United States has information that North Korea is preparing additional supplies of ballistic missiles to Russia, as well as long-range self-propelled artillery and multiple launch rocket systems (MLRS).

North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank.

Pyongyang has long coveted an advanced air-defense system to guard against missiles and war planes from the United States and South Korea.