UK Prime Minister hands over Storm Shadow missile blueprints to Ukraine for domestic production.

British Prime Minister Andy Burnham authorized MBDA on August 24, 2026, to release classified technical data on British-made components of the SCALP and Storm Shadow cruise missile to Ukraine during his first overseas visit to Kyiv. The decision clears a legal and industrial hurdle preventing France and Ukraine from transferring intellectual property required for domestic manufacturing. The authorization enables Ukrainian facilities to pursue local component production, assembly, and certification to reduce reliance on diminishing European stockpiles.

The MBDA SCALP/Storm Shadow is a 1,300-kg air-launched cruise missile powered by a Microturbo TRI 60-30 engine, utilizing GPS, TERPROM, and an imaging-infrared seeker for guidance alongside a 450-kg BROACH warhead. Establishing Ukrainian manufacture by the end of 2026 requires localizing airframe construction and implementing complex calibration and certification processes for foreign-sourced guidance, propulsion, and fuze subsystems.

Related topic: Ukraine negotiates SCALP cruise missile production license with France for deep strike strategy

The UK has authorized MBDA to give Ukraine classified information on British components of the Franco-British SCALP/Storm Shadow cruise missile, removing a key obstacle to establishing Ukrainian production of the weapon by the end of 2026. (Picture source: UK MoD)

On August 24, 2026, British Prime Minister Andy Burnham used his first overseas visit since taking office to authorize MBDA to release classified information on British components of the SCALP/Storm Shadow cruise missile to Ukraine, removing a key obstacle to Kyiv's plan to establish domestic production of the weapon by the end of 2026. The British decision follows several months of French-Ukrainian licensing work. Ukrainian Defense Minister Mykhailo Fedorov said on June 29 that Kyiv and Paris had entered negotiations on domestic SCALP-EG manufacture after President Volodymyr Zelensky raised the issue directly with French President Emmanuel Macron during a June visit to France.

The licensing problem could not be settled by France alone because the Franco-British missile, originally developed by Matra and British Aerospace and now produced by MBDA, contains British-controlled hardware and intellectual property. Ukraine has used the missile since 2023, but those deliveries have drawn from European inventories rather than a Ukrainian production base. MBDA resumed production in 2025 after roughly 15 years without a new production order, so the industrial base must now satisfy Ukrainian demand while also replacing missiles removed from British and French stocks. The practical measure of Burnham's decision is therefore not whether Ukraine receives access to engineering data, but whether Kyiv can move from maintaining and potentially assembling imported sections to producing, integrating and certifying a meaningful share of each Storm Shadow inside the country. 

The SCALP/Storm Shadow itself is 5.1 m long, has a 480 mm body diameter, a 3 m wingspan and a launch mass of 1,300 kg. Its Microturbo TRI 60-30 expendable turbojet generates 5.4 kN of thrust and sustains subsonic flight near Mach 0.8, with the missile normally using low-altitude routing rather than speed to reduce exposure to ground-based radar and air defense systems. The missile's warhead weighs 450 kg and uses the BROACH tandem penetration system. The first charge breaches earth, reinforced concrete, or another outer barrier; the second charge follows through that opening and detonates after a programmable delay inside the target. That makes SCALPs fundamentally different from the lighter one-way attack UAVs Ukraine launches in much larger numbers.

At a unit cost of about £2 million/$2.5 million for a range of 550 km, the missile is better matched to hardened command posts, underground facilities, protected ammunition storage, reinforced bridge structures, naval repair infrastructure, aircraft shelters, and ships or submarines immobilized in port. The SCALP's guidance architecture also explains why Ukrainian manufacture is much more difficult than producing the missile's outer body. Before launch, mission planners prepare a route containing waypoints, terrain information, flight altitude, threat-avoidance corridors, target imagery, impact angle, and fuze timing. During flight, the missile combines inertial navigation, GPS, and TERPROM terrain-reference navigation. The TERPROM allows the missile to compare the terrain beneath its flight path with stored elevation information, while the inertial system provides continuous navigation between updates and GPS supplies an additional position reference when available.

Near the target, the missile climbs, giving its imaging-infrared seeker a wider field of view, exposes the sensor, compares the observed thermal scene with stored target imagery, locates the programmed aim point, and then dives onto it. The weapon is effectively fire-and-forget after release: the launch aircraft does not continuously control the missile and the baseline mission cannot simply be redirected to a new target in flight. For manufacturing, that creates several independent quality control requirements. The inertial navigation unit must be calibrated tightly enough that accumulated error does not place the missile outside the terminal seeker's acquisition basket. The seeker must be aligned correctly with the missile reference axis, the terrain-navigation database must correspond with mission-planning software, deployable wings must open reliably after release, the TRI 60-30 must start and run throughout the cruise segment, and fuze timing must remain synchronized with the BROACH penetration sequence.

A Ukrainian line producing fuselage panels, wiring harnesses and mechanical structures would therefore localize only the lower-complexity share of the missile. A substantially deeper level of autonomy would require Ukraine to install, calibrate, test and certify navigation units, seekers, propulsion, flight control electronics, fuze systems and warheads before accepting each missile for combat use. Ukraine already demonstrated in 2023 that it could solve a difficult integration problem when it adapted the Su-24M tactical bomber to carry Storm Shadows and SCALPs. The Su-24M was selected because its original strike role, wing structure, and external payload capacity allowed it to carry one 1,300-kg missile beneath each wing, as the MiG-29 and Su-27 did not offer the same combination of payload margin and strike configuration for the initial integration.

Adapter hardware derived from retired RAF Tornado GR4 launch equipment was fitted to the Su-24M's inboard wing stations, but the conversion also required aircraft wiring, release authorization, cockpit procedures, mission-data transfer, and interfaces between Western ground-planning equipment and the Soviet-designed aircraft. This gave Ukraine its first operational NATO-origin air-launched cruise missile without requiring the Su-24M itself to penetrate all the way to the defended target. The constraint is the number of launch aircraft. Ukraine possesses only a limited surviving Su-24 fleet, with a correspondingly limited number of qualified crews, technicians, and airframes available for repeated long-range strike missions, while Russia has repeatedly targeted Ukrainian air bases and aviation infrastructure. That means missile production and missile employment must be treated as separate throughput problems.

If Ukraine assembled 20 SCALPs per month but could generate only a small number of Su-24 sorties with the required mission planning, maintenance, and security, missile inventories would accumulate faster than launch capacity. Conversely, a high sortie rate cannot be sustained if each launch consumes a missile that still depends on irregular foreign deliveries. A viable Ukrainian SCALP program therefore requires both an industrial replenishment rate and a surviving launch fleet capable of converting that inventory into strikes. The 2023 campaign shows how Ukraine allocated the missiles when stocks were limited. On June 22, a Storm Shadow struck the Chongar road bridge, one of the principal road links between occupied Crimea and Russian-held southern Ukraine. On July 29, another Storm Shadow or SCALP struck the Chongar railway bridge approach, extending interdiction to the rail network supporting Russian forces in Kherson and Zaporizhzhia.

Damage to the spans, approaches, and rail alignment forced repairs, slowed movement, and shifted more traffic onto alternative routes, increasing dependence on corridors through Armyansk and other crossings. On September 13, several cruise missiles struck Sevastopol's dry docks while the Project 636.3 Kilo-class submarine Rostov-on-Don and the Project 775 Ropucha-class landing ship Minsk were inside, seriously damaging both vessels while simultaneously attacking scarce naval repair infrastructure. On September 22, at least three missiles hit the Black Sea Fleet headquarters in Sevastopol. On December 26, the Ropucha-class landing ship Novocherkassk was struck at Feodosia. In roughly six months, Ukraine had therefore used Storm Shadow and SCALP missiles against two major transport connections, a naval dry dock complex, two landing ships, one submarine and the Black Sea Fleet's headquarters, in addition to command posts, ammunition storage and rear-area facilities.

Each concentrated a function that Russia could not easily distribute without accepting an efficiency penalty: bridges concentrate transport, dry docks concentrate repair capacity, headquarters concentrate command and communications, and ships in port surrender the mobility that normally makes them harder to strike. Russia subsequently increased camouflage and decoys, strengthened shelters and revetments, reinforced point defenses around Sevastopol, Saky, Belbek and Feodosia, dispersed aircraft, shifted ammunition and command facilities and moved a greater share of naval activity away from Sevastopol. The effect of a finite Storm Shadow inventory was therefore way larger than the number of missiles fired because each strike also imposed continuing costs in dispersion, protection, repair and relocation. Employment expanded further after restrictions on strikes inside internationally recognized Russian territory were relaxed.

France authorized the use of SCALPs against military facilities inside Russia being used to attack Ukraine in May 2024, and Britain followed in July with similar permission for Storm Shadows. On November 20, 2024, Ukraine fired British Storm Shadows into Russia for the first time, attacking an underground military facility at Maryino in Kursk Oblast. The target matched the BROACH warhead's intended role: a buried installation where penetration before detonation matters more than blast against an exposed structure. In March 2025, Ukraine used the Storm Shadow against the Kremniy El microelectronics plant in Bryansk, a defense industry facility producing discrete semiconductors and integrated circuits used in Russian military equipment, including components associated with missile guidance. Seven impacts were recorded at the site. Five struck Building No. 4, and two hit other production buildings, while the missiles approached Bryansk through the Pogar and Trubchevsk areas and arrived from more than one direction.

In October 2025, the Storm Shadow was used against the Bryansk Chemical Plant, which produced gunpowder, explosives, and rocket-fuel components for Russian ammunition and missiles. On December 25, the Ukrainian Air Force struck the Novoshakhtinsk oil refinery in Rostov Oblast with Storm Shadows. These missions show why Ukrainian SCALP production does not need to approach drone production volumes to affect operations. A stock of 100 missiles corresponds to 45 tonnes of BROACH warheads and 130 tonnes of complete missiles. If those rounds are allocated primarily to buried command facilities, reinforced industrial buildings, bridges, naval installations and protected storage rather than dispersed soft targets, the relevant measure is not attacks per day but how many hardened nodes Ukraine can remove from Russia's operational network before the stock is exhausted. 

The industrial structure of Ukrainian production will determine whether that stock can actually become replenishable. The first logical level would be maintenance, inspection, and refurbishment inside Ukraine, which would shorten repair and servicing cycles but would not create new missiles. The second would be final assembly from imported French and British kits. Under that model, Ukrainian factories could join structural sections, install imported modules, perform system checks and possibly complete acceptance testing, but the production rate would still depend on foreign deliveries. A third level would move relatively conventional manufacturing into Ukraine, including airframe sections, wiring harnesses, mechanical assemblies, mounting structures and selected test procedures, while MBDA retained the more sensitive electronics, propulsion, seeker, warhead and software work.

Full or near-full manufacture would require qualified production and certification processes for the TRI 60-30 engine, BROACH warhead, INS calibration, GPS and TERPROM integration, seeker, flight controls, software loading, fuze programming and complete missile acceptance testing. The distinction can be expressed in production terms. If a Ukrainian line has capacity to assemble 30 missiles per month but receives only 12 imported seekers, maximum output is 12 missiles, regardless of available labor or airframes. If 20 missiles leave the assembly line but four fail acceptance testing, effective monthly output is 16, not 20. A reduction in failure rate from 20% to 5% would increase accepted output from 16 to 19 missiles without adding another assembly position.

The useful indicators are therefore monthly accepted missiles, first-pass test rate, average rework time, production lead time, number of foreign-controlled critical modules per missile, local value added, months of component stocks on hand and refurbishment throughput. Those metrics reveal industrial autonomy far better than the nominal opening date of a production line. The final limitation is whether that production system can continue operating after Russia begins attacking it. Kremlin spokesman Dmitry Peskov said on August 24 that Russian forces were already gathering information to identify missile and military equipment production locations for attack, making future SCALP facilities part of Russia's target set even before Ukrainian serial manufacture begins.

A single plant performing airframe work, subsystem installation, seeker calibration, warhead integration, acceptance testing and storage would minimize internal transportation and simplify quality control, but it would also concentrate several irreplaceable functions in one location. A successful strike could remove tooling, calibrated test equipment, finished missiles and specialist personnel simultaneously. A distributed model would reduce that risk by separating structures, electronics integration, warhead work, final assembly and acceptance testing across several sites, but every additional transfer between facilities increases transportation requirements, security exposure and configuration-control problems. Foreign dependence is equally important because locally assembled missiles remain vulnerable to a shortage of a single imported component.

MBDA only restarted production in 2025 after a 15-year gap, while Britain and France also need to replenish national inventories after transfers to Ukraine. The end-of-2026 objective should therefore be treated as the planned establishment of production capability, not as proof of mature wartime serial output. If Ukraine can manufacture and certify most of the structural, propulsion, guidance and integration chain, each launch would draw from an inventory that domestic industry can replenish. If production remains limited to assembling imported engines, seekers, navigation sections and warheads, the shortage will persist in a different form: instead of waiting for Britain or France to transfer complete Storm Shadows, Ukraine will wait for the foreign subsystems required to finish each missile.

Written by Jérôme Brahy

Jérôme Brahy is a defense analyst and documentalist at Army Recognition. He specializes in naval modernization, aviation, drones, armored vehicles, and artillery, with a focus on strategic developments in the United States, China, Ukraine, Russia, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.

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