Polish Chunmoo Multiple Rocket Launch System Passes Key Tests

The Polish variant of the South Korean K239 Chunmoo Multiple Rocket Launch System (MRLS) recently passed qualification tests.

The Homar-K MRLS was tested at a Korean state test range, moving a step closer toward induction in the Polish Armed Forces, Defence 24 reported, citing manufacturer Hanwha Aerospace.

The trials included mobility and endurance assessments.

Poland’s Rocket Artillery Buying Spree

Poland bought hundreds of Chunmoos last year as part of a broader effort to bolster its military after the Russian invasion of Ukraine.

Warsaw ordered 218 systems as part of a framework agreement to purchase up to 290.

The Central European country has also acquired 20 High-Mobility Artillery Rocket Systems from the US and has initiated the process to purchase 500 more. 

Local Manufacturing

The Chunmoo project includes Polish companies such as Huta Stalowa Wola (HSW), the WB Group, and Jelcz, manufacturer of the 8×8 trucks on which the system is mounted.

HSW will integrate the truck with the launcher and eventually manufacture the launchers.

The system will feature the WB Group’s Topaz artillery fire control system.

Additionally, the Polish state-controlled Polish Armaments Group and Hanwha are planning to manufacture the system’s munitions — 239 mm guided rockets — in Poland.


The Chunmoo is a multi-caliber system capable of striking targets 36 kilometers (22 miles) to 290 kilometers (180 miles) away.

A launcher features two containers: one with six 239 mm guided rockets with a range of 80 kilometers (50 miles) and another with a tactical missile that has a range of 290 kilometers (180 miles).

The system is compatible with various munitions, such as the Polish-made 122 mm unguided rocket and the US-Swedish GL-SDB. 

Its operational range is 450 kilometers (280 miles), and it can fire six 239 mm rockets every 30 seconds.

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