North Korea Tests Solid Fuel Engine

North Korea has reportedly conducted a static test of a “new” type of solid fuel engine. Believed to have been tested at Hamhung on the country’s eastern coast, the engine was evaluated in a horizontal configuration, unlike previous tests of liquid fuel engines. North Korea is known to have developed two solid fuel missiles, the submarine-launched KN-11 and surface-launched KN-15 medium-range ballistic missile, and possesses a domestic variant of the solid-fueled OTR-21 SRBM.  Images released by the state-run Korean Central News Agency of Kim Jong Un at the Chemical Material Institute of the Academy of Defense Science in August 2017 showed designs for a new two-stage submarine-launched solid fuel missile, labeled the Pukkuksong-3.

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