KN-23 Hwasong-11Ga

North Korea's solid-fuel, quasi-ballistic short-range ballistic missile — an Iskander lookalike that has become the most combat-proven non-Russian missile of the Ukraine war, fielded by Russia and iterated into a precise, nuclear-capable strike system.

Overview

The KN-23 — officially designated Hwasong-11A by Pyongyang — is a single-stage, solid-propellant short-range ballistic missile (SRBM) with a quasi-ballistic trajectory and terminal maneuvering capability. Designed to defeat missile defenses through depressed flight profiles and in-atmosphere evasive maneuvers, it is the most prominent member of North Korea’s Hwasong-11 family. First publicly displayed in 2018 and test-flown in 2019, the missile reached operational status with the Korean People’s Army Strategic Force around 2019 and was subsequently transferred in volume to Russia for use in Ukraine from late 2023. Dubbed “Kimskander” by analysts for its external resemblance to the Russian Iskander-M, the KN-23 is not a licensed copy; forensic examination shows it refines an early Iskander-type design with partly foreign commercial electronics and a heavier airframe. Its warhead variants include conventional high-explosive, cluster munitions, and the nuclear-capable Hwasan-31 device. Missile production, centered at the expanding February 11 Plant in Hamhung, has been documented at scale from late 2024, sustaining simultaneous North Korean buildup and exports.

Development

The program likely began with a solid-motor static test at Hamhung in October 2017. The missile itself was first shown during a parade on 8 February 2018, and first flight-tested on 4 May 2019, when U.S. Forces Korea assigned the intelligence designation KN-23, according to CSIS Missile Threat. Through 2019–2023, North Korea demonstrated a wide performance envelope, from a depressed 190 km shot in January 2022 with an apogee of only 20 km, to a rail-launched flight of about 800 km in September 2021 and a claimed 900 km flight in June 2023. These tests validated the skipping, range-extension and pull-up maneuvers that the UN Panel of Experts later documented and that 38 North reproduced in high-fidelity flight simulations. Pyongyang unveiled the official Hwasong-11A name in October 2021, and a cluster-warhead variant was test-fired on 22 April 2024. Satellite imagery shows the February 11 Plant adding production halls from November 2024, with imagery from December 2025 and June 2026 depicting mass production of missile bodies.

Design & capabilities

The KN-23 is a road-, rail-, and silo-mobile SRBM that flies a quasi-ballistic trajectory with an apogee typically between 20 and 60 km, well inside the atmosphere. Solid-fuel propulsion allows a short launch preparation time, and the missile executes terminal pull-up, pitch-down, and even horizontal cross-range maneuvers of up to 175 km in simulation — behavior that places it in the engagement seam between lower-altitude systems like Patriot and higher-altitude interceptors like THAAD, as analyzed by 38 North.

Guidance relies on an inertial measurement unit updated by satellite navigation, paired with jet-vane thrust steering and movable aerodynamic tail fins. Early design estimates pegged the warhead at 400–500 kg, but wreckage recovered in Ukraine indicates a substantially heavier payload — up to about 1,000 kg — and a warhead bay with volume for roughly 1,500 kg. A nuclear option is offered by the Hwasan-31 device. CSIS Missile Threat notes a range of about 450 km with a 500 kg warhead, extending to roughly 690 km with a reduced payload; Ukrainian assessments of missiles fired in combat have cited ranges up to 650 km.

The missile’s navigation system relies on imported commercial electronics. A Conflict Armament Research analysis of the Kharkiv-strike wreckage identified 290+ non-domestic components, about 75% of which traced to U.S.-incorporated companies, underscoring a workaround that also creates a sanctions vulnerability. Ukrainian laboratory examinations in April 2026 found that North Korean manufacturing methods lag up to 50 years behind modern practices and that the propellant is less energy-efficient than that of the Iskander, necessitating an engine roughly 50% larger for equivalent range.

Variants

The Hwasong-11 family has spawned more than half a dozen variants. The baseline Hwasong-11A (KN-23) is joined by a railway-borne version (tested September 2021, January 2022), a silo-launched version (tested March 2023), and the Hwasong-11S submarine-launched branch. Heavier iterations include the Hwasong-11C with a roughly 2.5-tonne warhead (from March 2021) and the Hwasong-11C-4.5, which claims a 4.5-tonne warhead (tested July and September 2024). A smaller, shorter-range Hwasong-11D appeared in April 2022, and a hypersonic glide vehicle variant, the Hwasong-11E, was displayed in 2025 and likely tested on 4 January 2026. The related Hwasong-11B (KN-24) is a separate, ATACMS-like design and is not part of the Hwasong-11A lineage.

Combat record / operational use

Russia began firing North Korean SRBMs at Ukraine on 30 December 2023. The defining moment came on 2 January 2024, when a missile struck Kharkiv; field investigators from Conflict Armament Research physically documented the remnants on 10–11 January and “irrefutably” traced the weapon to North Korea — findings later presented to the UN Security Council on 28 June 2024. The CAR team then recovered four more missiles from strikes on 30 July and 5–6 and 18 August 2024, including the first wing and a jet-vane actuator marked with the Juche year “113” (2024), proving that production-fresh rounds were reaching the battlefield within months.

Notable attacks attributed to the type include the 11 August 2024 strike on the Kyiv region — four KN-23s launched from Voronezh oblast, killing a father and his four-year-old son — and the 24 April 2025 Kyiv strike that killed 12, which President Zelensky called a North Korean missile. Ukrainian military intelligence assessed that about 60 missiles had been used by December 2024 and roughly 100 by early 2025, out of an estimated 148 delivered by the start of the year.

The accuracy story defined the weapon’s operational evolution. Early rounds displayed deviations of 1–3 km, and about half malfunctioned or exploded in mid-air. By early 2025, however, external assessments and Ukrainian officials reported that the latest missiles were consistently landing within 50–100 m of their aimpoints. HUR chief Budanov called the missile “absolutely different… accuracy has increased many times,” attributing the improvement to joint Russian-North Korean engineering and, potentially, to the supply of Russian targeting data. Forensic analysts who examined the 2024-built missiles found no major visible design changes, pointing instead to refined navigation, steering corrections, or Russian-provided mission planning.

Advantages

• Depressed quasi-ballistic trajectory coupled with in-atmosphere maneuvering — skipping, sharp pitch-downs and cross-range turns — places the missile in the gap between low- and high-altitude defense envelopes, defeating trajectory-prediction based interceptors.
• Solid fuel and diverse mobile basing (wheeled and tracked TELs, rail, silo, submarine) allow a quick launch cycle and complicate counter-targeting.
• Heavy conventional warhead: wreckage-based estimates of up to 1,000 kg give it a punch well beyond early design assumptions, with bay volume for more.
• Rapid production-to-battlefield timeline: CAR documented a 2024-built missile used in Ukraine within months, evidencing a robust, sanctions-evading supply chain.
• Combat-debugged accuracy: iterative improvement on real battlefield feedback, enabled by Russian cooperation, turned a system with 1–3 km errors into one striking within 50–100 m — a benefit no peacetime test program can replicate.

Drawbacks / limitations

• Early quality control was poor: about half of the initial batches fired in Ukraine malfunctioned or broke up in flight, and only 2 of 24 missiles launched in early 2024 were “relatively accurate,” per Ukraine’s Prosecutor General.
• Outdated manufacturing: Ukrainian laboratory analysis found methods up to 50 years behind current standards, including poor soldering and inferior graphite heat protection, and an inefficient propellant requiring an oversized engine.
• Dependence on imported commercial electronics: the navigation system relies on foreign components, many U.S.-sourced, creating a sanctions vulnerability.
• Sub-par components: wreckage examinations revealed commercial automotive bearings in the steering assemblies — some jammed or rusted — parts not rated for missile-grade temperatures and loads, a documented failure source.
• Velocity bleed during terminal maneuvers: aggressive evasive movements slow the missile to barely supersonic speeds, theoretically making it more interceptable in its final phase.

Counterparts

• Iskander-M (Russia)
• ATACMS (USA)

Outlook

The KN-23 is now the most combat-proven non-Russian ballistic missile of the Ukraine war and the clearest case of a sanctioned state battle-testing and iterating a strategic weapon through a proxy. Analysts expect continued transfers, with Ukrainian intelligence forecasting roughly 150 missiles per year under the June 2024 mutual-defense treaty, and deeper Russian technical assistance likely feeding back into North Korea’s own force. The 38 North 2026 maneuverability study concluded that the missile’s large airframe and demonstrated cross-range capabilities “do not bode well” for allied missile defenses on the Korean Peninsula. Meanwhile, mass-production imagery from December 2025 and June 2026 suggests that supply, rather than capability, will set the ceiling on future use, while the hard-won accuracy gains from the Ukraine battlefield permanently raise the threat the KN-23 poses to South Korea, Japan, and U.S. forces in the region.

Key specifications

Sources

1. Wikipedia — Hwasong-11A. https://en.wikipedia.org/wiki/Hwasong-11A
2. Conflict Armament Research — North Korean missile relies on recent electronic components (Ukraine Field Dispatch, February 2024). https://storymaps.arcgis.com/stories/0814c6868bbd45a98b15693a31bd0e7f
3. Conflict Armament Research — North Korean missiles produced in 2024 used in Ukraine (Ukraine Field Dispatch, September 2024). https://storymaps.arcgis.com/stories/15ae6ca767bc46a1b536ac7e2d962b66
4. 38 North — Assessing the Maneuverability of North Korea’s KN-23/Hwasong-11A SRBM. https://www.38north.org/2026/03/assessing-the-maneuverability-of-north-koreas-kn-23-hwasong-11a-srbm/
5. CSIS Missile Threat — KN-23 at a Glance. https://missilethreat.csis.org/missile/kn-23/
6. Kyiv Independent — Russia significantly improved North Korea’s shoddy KN-23 ballistic missiles, Ukraine’s Budanov says. https://kyivindependent.com/russia-helped-to-significantly-improve-north-koreas-inaccurate-kn-23-ballistic-missiles-budanov-says/
7. Militarnyi — Reuters: North Korean ballistic missiles have become more precise. https://militarnyi.com/en/news/reuters-north-korean-ballistic-missiles-have-become-more-precise/
8. Militarnyi — The Russians once again hit the Kyiv region with a North Korean ballistic missile. https://militarnyi.com/en/news/the-russians-once-again-hit-the-kyiv-region-with-a-north-korean-ballistic-missile/
9. Radio Free Asia — North Korea’s increasingly accurate missiles raise concerns. https://www.rfa.org/english/korea/2025/02/11/north-missiles-precision-accuracy-ukraine/
10. Business Insider — North Korean ballistic missiles were made with outdated methods from up to 50 years ago: Ukraine MOD. https://www.businessinsider.com/north-korean-missiles-iskander-outdated-methods-ukraine-kn23-kn24-hwasong-2026-4