NATO’s Baltic Response Gap

A drone enters Latvian airspace from the Russian border. NATO jets take off from Šiauliai, the Baltic air-policing base in Lithuania, and bring it down. The military problem is over within minutes. The political one remains: was it an accident, a drone pushed off course by Russian electronic warfare, or a deliberate test of NATO’s nerve?

That sequence, reported by LRT on 8 June, is the kind of incident now shaping NATO’s eastern flank. Polish intelligence has warned that Russia may be preparing provocations against Poland or the Baltic states (The Guardian). Lithuania’s defence minister has acknowledged that identifying drones while they are still in flight remains difficult. Latvia is putting counter-drone systems along its full border with Russia and Belarus (Sargs.lv). The armed response is being built. The weak point is the decision machinery behind it.

The gap between intercepting and classifying

NATO’s founding treaty gives allies two main political levers. Article 4 allows any member to call consultations when it feels threatened. Article 5, the collective-defence clause, applies after an “armed attack”, but only once allies agree that such an attack has happened. Even then, each government decides what action it considers necessary, including the possible use of force.

Grey-zone operations are designed for the space between those two articles. NATO has kept the option of treating hybrid attacks as collective-defence cases: the 2016 Warsaw summit said so plainly, and allies have since accepted that repeated hostile acts can add up. But the alliance has avoided fixed red lines (Atlantic Council). Cable cuts, arson, drone disruption and similar acts usually remain matters for national police and intelligence services unless allies can agree who was behind them.

That makes attribution the choke point. Some Baltic drone incidents have been linked to Russian electronic warfare interfering with navigation systems, so the harder question is intent, not interception. National agencies can gather radar tracks and signals intelligence. Turning that into evidence trusted by all allies means sharing sensitive material, building a political case, and securing agreement in the North Atlantic Council, NATO’s top political body, where all 32 members sit. A deliberately ambiguous incident is built to consume exactly that time.

Forward troops deter war, not ambiguity

Germany’s answer has been to raise the price of any Russian test. Around 5,000 Bundeswehr soldiers are planned for Lithuania’s new brigade, with about 1,800 already deployed and full readiness expected later. France contributes through Baltic air-policing rotations and keeps forces in Estonia (Ifri).

Those deployments make any incident immediately multinational. But German troops in Lithuania cannot, by themselves, decide that Article 5 applies. Lithuania must first decide how to treat the event under its own law. The allies then decide in the North Atlantic Council whether the facts justify a collective response (Oxford analysis). A provocation kept just below the clear threshold of armed attack forces that whole chain to move before NATO can act as one.

The tempo risk inside the alliance

Slovakia shows how an alliance can lose speed without anyone formally defecting. Prime Minister Robert Fico has said Slovakia’s delegation will have no mandate for further military or financial aid to Ukraine at the coming NATO summit. After a heavy Russian attack near Slovakia’s border, the government was initially quiet, responding only after opposition pressure. Czech intelligence chief Michal Koudelka has warned that a limited attack on a NATO state, intended to test the reaction, is more likely than a massive assault.

The danger is less a formal Slovak veto than the argument that opens in the first hours: sabotage, accident, or armed attack. Russia can shape operations for that window. The facts move quickly; governments need longer to prove what happened and agree on what it means.

NATO’s forward deployments still deter conventional war. The harder test is whether they deter the ambiguous provocations now seen as more likely. That depends on a capacity less visible than a brigade: the ability to attribute, classify and agree before the political moment has passed.