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Ukraine is droning Russian ships. The goal: to create supply bottlenecks on land.
- Ukraine's drone campaign targeting Russian logistics is moving to sea
- Ships carry supplies between Russia and occupied southern Ukraine
- Striking the ships can force more supplies to move over land in vulnerable trucks
One-way attack drones from Ukraine's Unmanned Systems Forces struck five Russian cargo ships on the Sea of Azov on 5 June.
The strikes, which left at least one ship a burned-out hulk, are a kind of corollary to Ukraine's escalating campaign of middle-distance strikes on Russian supply lines on land in occupied territories. Aiming to weaken Russian regiments before they can attack across the disputed gray zone, Kyiv's drone units aren't only hitting trucks and vans on land—they're also hitting ships at sea.
"There's a method to the madness here," Ukraine Control Map explained. "Take out the ships, force Russia to use more trucks, more logistic bottlenecks." Then hammer the bottlenecks with drones.
The ultimate goal is to make it more difficult for the Kremlin to resupply and reinforce its 700,000 troops in occupied Ukraine. It's cheaper and easier to defeat an attack before it even begins by starving the attacking troops of food, fuel, batteries, ammunition and other vital supplies.
The ships the USF hit with Fire Point FP-1 drones on 5 June were spread out across a wide area. They were in occupied Mariupol and Berdiansk and along the coast of occupied Ukraine — the same Berdiansk port where Ukrainian drones struck a Russian munitions cargo ship on consecutive nights at the start of June.
What they had in common was their disguise. Civilian-owned but allegedly illegally working on behalf of sanctioned Russian entities, the ships sail without obvious markings or easily tracked radio transponders. There could be scores of such ships plying the Black Sea on Russia's behalf every day.
Two of the ships hit on 5 June, the dry cargo vessels Natra and Zirkon, were inbound from Türkiye to Rostov-on-Don when Ukrainian drones struck them in Taganrog Bay—empty, heading to load grain at a port Western governments and Ukraine identify as a transit hub for grain looted from occupied Ukrainian territory. Five Azerbaijani crew members on private contracts were killed and three wounded, Azerbaijan's foreign ministry said. Brovdi didn't address the deaths.
Telling apart a ship hauling Russian military fuel from a ship empty and heading to pick up looted grain is the kind of distinction that's hard to make from a drone's-eye view.
Ships that can haul thousands of tons of supplies every trip are much more efficient than trucks that can haul just a few tons apiece. Cargo ships can't deliver supplies to inland forces, of course, but they can move cargo between ports in southern Russia and ports in occupied Ukraine, bringing that cargo as close as possible to the gray zone before trucks must take over the shipping effort.
A thick-skinned ship is a tougher target than a thin-skinned truck, of course. But Ukraine's FP-1 drones carry a 100-kg blast-fragmentation warhead, with a TNT main charge boosted by the more powerful OKFOL explosive. The combination throws fragments outward and starts fires inside the target—the same mechanism that left the corvette Boikiy burning for hours at Kronstadt on 3 June.
— Special Kherson Cat
Sitting duck trucks
Russia's thousands of military supply trucks are already squarely in the crosshairs of Ukrainian drone units. Since launching their coordinated counterlogistics campaign this spring, the Ukrainians have increased their monthly truck strikes nearly tenfold, from around 60 per month to nearly 500, as per the Ukrainian general staff.
But a comprehensive assault on Russian logistics requires raids on sea traffic, as well. That effort may have begun in earnest on 5 June. "Cargo ships and tankers with their names painted over by Black Sea looters and their transponders switched off, used for the quiet theft of Ukrainian grain and the transport of military cargo and fuel, can no longer count on either long service lives or uninterrupted schedules," the 414th Unmanned Strike Aviation Brigade crowed.
If they can disable enough ships, the Ukrainian drone teams may compel Russian logisticians to shift more supplies by land. To reach Russian regiments in southern and eastern Ukraine, those supplies normally travel east to west along the M-14 highway that runs close and parallel to the Black Sea coast.
That highway and connecting roads have become a kill zone for Russian trucks as more FP-1, FP-2, Hornet and Bulava drones take to the sky, increasingly unbothered by Russia's collapsing air defense network. Ukrainian industry now churns out tens of thousands of middle-strike drones every month, some for as cheaply as a few thousand dollars apiece.
The Russians are trying to find alternate routes that avoid the most heavily droned roads, but once a truck gets close to its destination, it has no choice but to follow a dwindling number of paths. Ukrainian intelligence knows where the Russians' main divisional bases are; they know the trucks must eventually turn into these bases. The near approaches are now becoming kill zones alongside the M-14 and other main roads.
It'll take many more strikes on Russian ships to seriously dent the sea logistics and force more supplies onto land routes. But the effort is underway. "The occupier's smuggling logistics must be stopped," the 414th Unmanned Strike Aviation Brigade explained.
