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The UK and France have locked in operational plans for a multinational mine-clearing mission in the Strait of Hormuz, the narrow waterway where roughly 120 vessels pass through daily carrying a significant chunk of the world’s oil supply. The operation, finalized on June 4, 2026, follows a potential agreement between the US and Iran and aims to restore commercial shipping through waters allegedly seeded with mines by Iran’s Islamic Revolutionary Guard Corps.
The logistics of sweeping a war zone
Preparations for this mission have been anything but last-minute. The UK’s RFA Lyme Bay, already stationed off Gibraltar, was loaded with autonomous mine-hunting drones and ammunition in late May 2026. The coalition itself is substantial. Up to 40 partner nations have been coordinated under a UK-France-led framework, a level of multinational cooperation that intensified after a multi-nation summit held in April 2026.
UK Armed Forces Minister Al Carns has been careful about timelines, stating that deployment would only begin when conditions were right for restoring safe shipping routes. The mission is contingent on a ceasefire or peace accord between the US and Iran, which could materialize in the days following any formal agreement.
France’s co-leadership role in this effort is notable. Both Paris and London have maintained communication channels with Tehran throughout the planning process. Iran, for its part, has expressed its own interest in demining operations.
Why 120 ships a day matters for everything
The approximately 120 vessels transiting daily make the Strait of Hormuz one of the most commercially dense waterways on the planet. The UK-France coalition has explicitly emphasized that one of the mission’s core objectives is restoring insurer confidence, because without it, a mine-free strait is still commercially dead.
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