North Korea Tests Missiles With Cluster Munitions and Advances ICBM Engine
Primary region Asia
Tags Security
Regions Asia
North Korea conducted multiple rounds of missile tests in April 2026, including five Hwasong-11Ra tactical-range ballistic missiles with cluster-bomb warheads that flew approximately 90 miles into the Sea of Japan on April 19. On March 29, Kim Jong Un observed a test of an upgraded solid-fuel engine for weapons capable of reaching the US mainland, which state media called a significant development. A three-day weapons testing spree starting April 7 included anti-aircraft weapons, electromagnetic weapons systems, and carbon-fiber bombs. IAEA Director General Rafael Grossi warned that Pyongyang's expanding nuclear program could accelerate nuclear warhead production.
Strategic interpretation
The cluster munitions warhead development represents a new capability that increases the threat to South Korean and Japanese population centers. The solid-fuel engine test, if genuine, would significantly reduce North Korea's launch preparation time and improve survivability of its ICBM force. These tests serve dual purposes: advancing weapons technology and signaling to Washington that Pyongyang's leverage is growing during a period when the US is distracted by the Iran war.