UK approves classified SCALP missile data sharing to support long-range weapons production in Ukraine.

KYIV, UKRAINE — Britain has authorized the release of classified information on UK components in the SCALP missile as Kyiv seeks to expand domestic long-range weapons production.

British Prime Minister Andy Burnham used his first overseas visit since taking office to deepen the UK's military relationship with Ukraine, announcing in Kyiv that defence manufacturer MBDA could release classified technical information connected to British-made components of the SCALP cruise missile.

The decision is intended to help France and Ukraine move forward with plans to assemble the long-range weapon in Ukraine, shifting part of Britain's support from delivering completed weapons toward enabling Ukrainian production capacity. The British government described SCALP as the French-produced counterpart of the UK's Storm Shadow, with the two missiles sharing British and French technology.

Burnham's visit on Monday coincided with Ukraine's 35th Independence Day and came only weeks after President Volodymyr Zelenskyy travelled to Britain for the two leaders' first meeting. Ukrainian officials said after that July meeting that joint defence production and the establishment of manufacturing operations in both countries had been among their priorities.

The latest agreement gives that industrial cooperation a more concrete form. But neither London nor Kyiv has publicly disclosed which classified information will be transferred, where missile assembly would take place, how quickly production could begin or how many weapons could ultimately be produced.

Missile support moves closer to local production

Britain began supplying Storm Shadow long-range cruise missiles to Ukraine in 2023. The new arrangement differs from a conventional weapons transfer because it is designed to give Ukraine and France access to technical information needed for local assembly rather than simply delivering finished missiles from existing Western inventories.

The UK government said the authorization applies to British components in SCALP and would allow the French and Ukrainian sides to advance their production plans. It also linked the move to Project Brakestop, a separate British effort to develop lower-cost long-range strike systems for Ukraine.

That production focus addresses a broader problem facing Ukraine and its European partners: maintaining weapons supplies during a prolonged war while Western governments simultaneously rebuild their own depleted inventories.

Britain says it has committed £25 billion in support to Ukraine since Russia's full-scale invasion, including £16 billion in military assistance and £5.6 billion in non-military support. Those figures are UK government totals and therefore represent London's own accounting of its assistance.

Coalition leaders put air defence at the centre of talks

Burnham also co-chaired a meeting of the Coalition of the Willing with French President Emmanuel Macron and German Chancellor Friedrich Merz alongside Zelenskyy.

The coalition condemned escalating Russian attacks on Ukrainian cities and infrastructure and called for continued pressure on Moscow through sanctions and measures targeting sanctions circumvention and Russia's so-called shadow fleet of oil tankers. It also reiterated support for a full and unconditional ceasefire and said preparations would continue for a multinational force that could deploy after a credible cessation of hostilities.

Air defence emerged as one of Kyiv's most urgent concerns ahead of winter. Reuters reported that Zelenskyy told Ukraine's partners that the country required hundreds of additional interceptor missiles as Russia intensified its missile campaign. Burnham urged coalition members to examine their own inventories for systems that could be transferred to Ukraine.

The request is consistent with Zelenskyy's public statements in the days before Independence Day. On August 20, he said Patriot interceptor missiles remained a priority that Ukraine could obtain only through decisions by its partners.

Kremlin says British decision escalates involvement

Moscow reacted critically to the missile-production announcement.

Kremlin spokesman Dmitry Peskov said Britain's decision to facilitate the transfer of classified missile information would intensify the conflict and accused London of obstructing efforts toward peace. He also said Russia was gathering intelligence on weapons-production facilities inside Ukraine.

The comments followed earlier Russian warnings over reports that British-made drones had been used in Ukrainian long-range attacks. The British Ministry of Defence had not confirmed those reports, while Burnham responded by reiterating that the UK would continue supporting Ukraine.

London and Kyiv describe their military cooperation as support for Ukraine's defence against Russia's invasion. Moscow has repeatedly characterized Western supplies of increasingly capable weapons as evidence of deeper Western participation in the conflict.

UK and Ukraine widen cooperation beyond missiles

The Kyiv visit also produced a separate agreement on artificial intelligence and defence technology.

Britain and Ukraine signed a declaration establishing an AI partnership intended to deepen cooperation on autonomous systems and military technology. The UK government said Britain would become the first international partner to gain access to Ukraine's Avengers AI Labs, connecting Ukrainian battlefield experience with British universities, researchers and technology companies.

That agreement, combined with the SCALP decision, indicates that the relationship is increasingly focused on shared development and production rather than on aid alone.

For Ukraine, the immediate test will be whether those agreements translate into additional weapons and air-defence capacity quickly enough to affect conditions during the coming winter. For Britain and France, the missile project will depend on resolving technical, security and manufacturing questions that neither government has yet publicly detailed.