Romania demands NATO hardware for Black Sea

The Montreux Convention, a 1936 treaty giving Turkey control over warship passage through the Bosporus and Dardanelles, means NATO cannot move a large fleet into the Black Sea at will (Turkish MFA). That legal bottleneck shapes Romania's demands at this week's NATO summit in Ankara: not another statement acknowledging the threat, but radars, interceptors, ammunition and logistics corridors that make deterrence work in practice (BTA, Moldpres). NATO already calls Russia the most significant direct threat and the Black Sea strategically important (NATO). What it has not delivered is the hardware to match.

Why the Black Sea is different

On the Baltic and Polish stretches of NATO's eastern flank, deterrence debates centre on troops, base infrastructure and rail capacity. Romania shares those needs but faces one more: reinforcement by sea depends on Turkey's willingness to open the straits. Carnegie Europe argues Ankara has used a "regional ownership" logic to keep Black Sea security centred on the three coastal NATO allies — Turkey, Romania and Bulgaria — rather than welcoming a broader naval presence (Carnegie Europe). Bucharest is therefore not simply asking for more soldiers. It needs a deterrence package built around access limits that make this stretch of the flank unique.

Those limits are already being tested. Drone incidents over or near Romanian territory throughout 2026 have exposed detection and response gaps that existing systems cannot close. Romania is now ordering mobile Skyranger air-defence systems on Lynx armoured vehicles to address low-altitude threats (Truppendienst). Other eastern European allies are buying German IRIS-T medium-range interceptors (Zeit). But procurement is not deployment. Systems need trained crews, ammunition stocks, maintenance chains, and integration into a command structure that can answer a basic question in real time: when a drone crosses into NATO airspace, who sees it, who classifies it, and who is authorised to shoot?

What deterrence costs in practice

Detection comes first. Sensors that can track low-altitude drones and maritime threats are the most urgent gap. Air and drone defence, the Skyranger and IRIS-T orders, addresses the next layer, but only once systems reach crews in the field with live munitions and spare parts.

Maritime security follows a different path. Bulgaria, Romania and Turkey have expanded their trilateral mine-countermeasures group to cover surveillance and protection of underwater infrastructure (BNR). This model, led by the Black Sea states themselves, is realistic precisely because Montreux prevents a large allied fleet from entering. It needs alliance backing through intelligence-sharing and planning support, not warships that treaty law would block.

The final piece is logistics: a proposed Turkey-Bulgaria-Romania fuel pipeline, upgraded roads, rail, ports and depots that allow reinforcements to reach the south-eastern flank and stay supplied once they arrive (wschodniaflanka.pl). Without that infrastructure, combat units arrive slowly and cannot be sustained.

Other allies have reasons to care

Poland does not treat Romania's vulnerability as someone else's file. Before Ankara, the presidents of Poland, Lithuania, Latvia, Estonia and Romania coordinated a common position (rp.pl). Warsaw's calculation is plain: a stronger south-eastern flank gives NATO more routes, bases and supply options, easing pressure on the Baltic corridor and the narrow Suwałki Gap. Germany's Chancellor Merz framed the summit around Europe shouldering more responsibility inside NATO and delivering deployable capabilities rather than pledges (Bundesregierung, Euronews).

The alliance faces a direct choice at Ankara. It can commit the detection, defence and logistics assets Romania needs, or it can produce another declaration and leave a NATO member to absorb the next drone incursion with almost no ability to stop it.