"For over five years, the United States has pursued diplomatic and technical avenues with Russia aimed at preserving the INF Treaty," NATO Secretary-General Jens Stoltenberg said.
North Korean leader Kim Jong Un could have a bomb nearly 17 times more destructive than the one dropped on Hiroshima.
The missile launched Tuesday could reach Washington, D.C., or just about anywhere else in America, a security expert said.
The converted Cold War–era silo housed an intercontinental ballistic missile with a warhead 32 times more powerful than what the United States dropped on Hiroshima.
Kim Jong Nam, the older half brother of Kim Jong Un, has previously spoken out against his family's dynastic control of the country.