Black Sea grain war escalates: Ukraine knocked out most of Russia’s grain exports, and Russia is now sinking ships off Romania and Bulgaria

On or just before Wednesday, 14 October, Russian Geran-4 one-way attack drones struck two more cargo ships—one in the Buh River Estuary near Mykolaiv and another in Chornomorsk, 20 km south of Odesa.

They're the latest strikes in competing Russian and Ukrainian countershipping campaigns that have, since this summer, throttled Black Sea grain exports.

The jet-propelled Geran-4s are Russia's weapons of choice for these ship strikes. The drones haul warheads of up to 90 kg at up to 500 km/h and can fly more than 700 km. They already had AI-assisted targeting, and the Russians recently added terrain-matching navigation to make them less reliant on satellites and harder to jam with signal-scrambling electronic warfare.

For months, the Geran-4s and other Russian munitions have pummeled Ukrainian ports and the ships hauling grain from them. But Ukrainian forces were actually the first to escalate the shipping fight in an effort to squeeze Russian logistics.

Russian Geran-4 jet-drones struck two more cargo ships, in the Buh River Estuary and at Chornomorsk Port in Odesa Oblast. pic.twitter.com/wOXcJFAj5O

— AMK Mapping (@AMK_Mapping_) October 14, 2026

As recently as early this summer, hundreds of Russian tankers and dry cargo ships plied the Black Sea and adjacent Sea of Azov, hauling fuel and bulk supplies between ports in Russia and Russian-occupied ports in southern Ukraine.

Most of the Russian vessels were unregistered and sailed without transponders, making them a kind of regional adjunct of Moscow’s “shadow fleet” that ships Russian oil and other goods to the global market in defiance of international sanctions.

Ukrainian drones had already hit ships hauling stolen Ukrainian grain out of occupied ports in June.

On 6 July, Ukraine’s deep strike drone force finally started hunting the rest of the Russian ships. By day eight of the countershipping effort, the Ukrainians had hit 105 vessels. By day 12, drones including AI-assisted Fire Point FP-1/2s had struck 159, even a few tugboats sent to assist the damaged tankers.

Just a few days after Ukraine launched its countershipping campaign, Russia launched a retaliatory campaign targeting Ukraine’s Black Sea grain ports as well as the ships, many of them foreign-flagged, that haul grain through Türkiye’s Bosporus Strait out to the Mediterranean Sea and onward to foreign ports.

Soon, the Russian shadow fleet’s hundreds of ships were either drifting, disabled, or sheltering in Russian ports. On the other side of the Black Sea, Ukraine’s lucrative grain trade was in a state of collapse. Ports were under constant attack. International shippers were increasingly reluctant to send their vessels into the Black Sea.

Trade freefall

Grain shipment figures on both sides tell a stark tale. According to the Russian Grain Union, in September approximately 1.36 million tons of wheat shipped from Russian ports, including ports on the Black Sea and Sea of Azov, compared to 5.4 million tons in September 2025—a 75% reduction.

Meanwhile, Ukraine exported 1.094 million tons of wheat in September, down from 2.051 million tons in September 2025—a 47% reduction. The only thing preventing further throttling of Ukrainian grain exports was the country’s three small ports on the Danube River, which forms Ukraine’s southern border with Romania and flows into the western Black Sea a relatively short 435 km from the Bosporus Strait.

But the Russians were beginning to target the Danube ports and the grain ships heading to and from them, too. Earlier in October, Russian drones sank the Saint Kitts-flagged M/V Royad Mammadov and the Togo-flagged M/V Alfa Watan and damaged the Palau-flagged M/V Able, killing at least two seafarers.

“The Black Sea grain standoff, in which both Russia and Ukraine continue to suffer losses, persists,” Polish open-source intelligence analyst Thorkill wrote.

With global food prices rising partially as a result of the bottleneck in grain exports through the Bosporus, the United Nations and Türkiye have been trying to arrange talks between Russia and Ukraine regarding a possible Black Sea ceasefire.

A previous grain deal, brokered by Türkiye and the UN in 2022, collapsed a year later. Ukraine kept ships moving through its own corridor until Russian strikes shut it down this summer.