UK authorizes MBDA to share Storm Shadow missile technology with Ukraine

Missile technology transfer

British Prime Minister Andy Burnham announced on 24 August 2026 that the United Kingdom will authorize European defense manufacturer MBDA to share classified technical information on British components of the SCALP and Storm Shadow cruise missile with Ukraine. The decision, revealed during Burnham's visit to Kyiv on Ukraine's 35th Independence Day, allows Ukrainian facilities to establish domestic manufacturing lines for the air-launched weapon. The authorization follows a defense licensing arrangement agreed by French President Emmanuel Macron in July 2026, which granted Ukraine access to French technology for radars, missiles, and ammunition. Burnham confirmed the measure during a joint appearance at the InterContinental hotel in Kyiv alongside Ukrainian President Volodymyr Zelensky and European Council President António Costa.

The United Kingdom was the first to provide long-range weapons to Ukraine back in 2023. Volodymyr has now asked us to share our Storm Shadow technology so that Ukraine can develop these capabilities for itself. I am pleased to confirm today that I have approved that request.

Diplomatic and military coalition

The visit marked Burnham's first international trip since succeeding Keir Starmer as prime minister on 20 July 2026. Traveling to Kyiv by train, Burnham held bilateral discussions with Costa and Luxembourg Prime Minister Luc Frieden before participating in the third meeting of the Coalition of the Willing. The coalition, founded in spring 2025 by Britain and France, met via videoconference with German Chancellor Friedrich Merz and Macron. During the Kyiv meetings, Norwegian Prime Minister Jonas Gahr Støre announced 9.2 billion euros in additional military and humanitarian aid for Ukraine for 2026. Separately, Finland signed an agreement with Ukraine to establish a joint venture for manufacturing uncrewed surface vessels and robotic systems.

Missile specifications and battlefield role

The Storm Shadow, designated SCALP in French service, is a 1,300-kilogram air-launched cruise missile measuring 5.1 meters in length. Built jointly by MBDA with British and French components, the standard system offers a stated manufacturer range exceeding 250 kilometers, with Ukraine's operational variant rated at approximately 240 kilometers. The weapon uses inertial navigation, satellite positioning, and terrain-referencing systems to navigate at low altitudes below radar coverage. In the terminal attack phase, an infrared nose seeker matches target imagery against pre-loaded data to deliver a combined explosive and penetrating warhead against reinforced bunkers and logistics nodes.

Russian response and diplomatic friction

The technological transfer occurs as Kyiv seeks domestic alternatives to Western munitions supplies, including Patriot air defense systems whose global inventories faced constraints during the United States conflict with Iran. Moscow condemned the British agreement, asserting that sharing classified missile blueprints prevents progress toward peace. Russian officials declared that their armed forces will locate and strike any facilities within Ukraine that manufacture the cruise missile. Tensions between London and Moscow had already escalated following the departure of Russian Ambassador Andrei Kelin on 21 July 2026, whom Moscow withdrew after seven years without naming a replacement.

Ukraine is not a burden on our security, but the frontline protecting Europe.