U.S. intelligence agencies have observed activity in a North Korean missile factory in Sanumdong, on the outskirts of Pyongyang, suggesting that the North is still producing the Hwasong-15 intercontinental ballistic missile (ICBM).
By Heriberto Arribas Abato [CC BY-SA 4.0 ], from Wikimedia Commons
Washington Post reports that satellite imagery suggests “that work is underway on at least one and possibly two” missiles.