Bahrain, July 4 -- A new report by the International Institute for Strategic Studies (IISS) assesses that it is highly likely that Russia conducted a sustained UAV campaign across Europe that penetrated the airspace of some of the continent's most sensitive military installations. This included nuclear-sharing sites and France's ballistic missile submarine base, while acting with effective impunity for over 15 months.

The report, Russia's UAV Campaign over Europe, documents a pattern of 144 incidents between August 2024 and February 2026 across 13 European countries. It concludes that the campaign represents 'a series of tactical successes for the Kremlin and a strategic failure of allied air defence in Europe'.

The report assesses it l...