Kronstadt Drone Raids Shadow Putin’s Forum

Ukrainian drones struck Russia's Kronstadt naval base twice in four days. The corvette Boikiy burned in dry dock, oil terminals caught fire, and the island was sealed off while Vladimir Putin was hosting investors at his flagship economic forum in St Petersburg, barely 20 km away. The timing matters: after Moscow rejected a peace offer, Kyiv used military force to set the terms of negotiation, rather than to retake ground.

Offer, rejection, strike

On June 4, Volodymyr Zelenskyy published an open letter proposing face-to-face talks on neutral ground, a ceasefire during negotiations, and a prisoner exchange (Moscow Times). The following day, at SPIEF, Russia's Davos-style investment forum, Putin dismissed the letter as "boorish" and said he saw "no point" in meeting (New Indian Express, ISW). Within 18 hours, Ukraine launched its second wave. Russia said it intercepted 144 drones over the Leningrad region alone (Fortune).

The Institute for the Study of War, a US conflict research centre, has tracked Russia's own pattern of launching maximum-force strikes "immediately before and after prominent peace negotiations" (ISW). Ukraine is now using the same logic against Moscow: refusal carries a visible cost. Zelenskyy described the strikes as "long-range sanctions."

The drone war spills into EU territory

Kronstadt is the clearest sign yet of Ukraine's growing deep-strike capacity. But the wider maritime drone war is no longer staying inside the Black Sea. For Malta, as for other small coastal EU states, the Lefkada incident is the part of the story that brings the war closer to home: European waters are becoming part of the operating space.

On May 7, Greek fishermen off Lefkada hauled in an armed Ukrainian maritime drone carrying an estimated 100-200 kg of explosives (CNN Greece, news247.gr). Athens filed a formal protest; Kyiv apologised and blamed wartime conditions (Greek MFA). Greece's defence minister called the scenario "terrifying." According to Greece's Joint Chiefs of Staff, the drone had probably been targeting a Russian shadow-fleet vessel moving through the Mediterranean.

In the Baltic, Russia accused Lithuania, Latvia, and Estonia of opening their airspace to Ukrainian drones. All three governments rejected the claim as disinformation. Lithuania's foreign minister said Russia was deliberately pushing drones into NATO airspace through GPS spoofing from Kaliningrad, where detected spoofing transmitters rose from 3 to 36 in just over a year (Defense News).

Silent partners

The countries most deeply involved in drone co-production with Ukraine are saying little about what those drones hit. Poland, which signed new co-production agreements in May and is fielding six classes of tactical drones built partly on Ukrainian battlefield data, made no public statement on Kronstadt (Money.pl). Lithuania signed a full drone agreement with Kyiv on May 13, covering long-range strike, maritime, and interceptor drones (President of Ukraine). It also stayed quiet.

France, Germany, and the UK confirmed a summit with Zelenskyy in London for today, June 7, to establish a European negotiating track before Washington re-enters the process on its own terms (Eurointegration). Those leaders will sit across from a Ukrainian president who has just shown he can hit any naval base in European Russia.

Putin's response at SPIEF said more than a formal retaliation would have. "Some of them break through," he told journalists. "We need to improve our air defences" (AP/Audacy). Ukraine's FP-1 drone, the platform credited with the Kronstadt strikes, uses AI terrain-matching navigation that avoids GPS jamming altogether (Euromaidanpress, DroneSense). Russia's main electronic countermeasure no longer stops Ukraine's main deep-strike weapon.

Whether European-co-produced components were part of the Kronstadt strike package remains unconfirmed. No one in Brussels, Berlin, or Warsaw is asking publicly. For now, the silence is the policy.