Ukraine’s Drone War on Russian Ports Deepens, Hitting Sea of Azov Shipping and Black Sea Energy Routes
Ukraine’s Unmanned Systems Forces say they hit 15 more Russian commercial vessels in the Sea of Azov, while fires burn at Port Kavkaz and a Black Sea oil depot in Stavropol after repeated drone attacks. With Russia intensifying its own strikes on Odesa’s ports and a vessel hit off the Ukrainian coast, the fight over maritime logistics and fuel has turned both seas into overlapping drone battlefields.
Russian sailors, port workers and energy staff from the Sea of Azov to the Black Sea woke up on 13 July to a landscape of burning infrastructure and contested waterways. Ukraine’s increasingly aggressive drone campaign against Russian commercial shipping and fuel depots is now colliding with Moscow’s own air and sea strikes on Ukrainian ports and vessels, turning two enclosed seas into one continuous logistics war.
Ukraine’s Unmanned Systems Forces said that on the night of 12–13 July they struck 15 additional Russian commercial ships in the Sea of Azov, on what they described as the eighth straight day of large-scale attacks on vessels linked to Russia. Satellite fire-detection data showed heat signatures over the Sea of Azov and near Kerch consistent with multiple burning targets, while videos circulating on social channels appeared to show maritime drone strikes, though those clips have not been independently authenticated.
On the Russian side of the Kerch Strait, satellite data indicated multiple large fires at Port Kavkaz in Krasnodar Krai after overnight Ukrainian drone attacks. The coordinates correspond to a key ferry and cargo transfer point that has grown in importance as Russia seeks alternatives and redundancies to the Kerch Bridge for moving military and commercial traffic between southern Russia and occupied Crimea. The extent of structural damage at the port is not yet clear, but fires at that location underscore Ukraine’s intent to degrade both Russia’s seaborne logistics and the nodes that support them.
Further inland but still tied to Russia’s energy and logistics chain, an oil depot belonging to LUKOIL-Yugnefteprodukt in the city of Mikhailovsk, Stavropol Krai, was again set ablaze by Ukrainian drones overnight. The facility, which was also attacked on 9 July, erupted in a large fire according to visual evidence from the scene. Kyiv appears to be systematically revisiting some energy targets to drive home the cost of continuing to fuel the war effort, forcing Russian authorities to decide whether to invest in extensive air defences around deep rear energy assets or accept repeated disruption.
Russia has responded by hitting Ukraine’s own ports and maritime access. In the western Black Sea off Odesa, a vessel was struck by a Russian operator-controlled Geran‑4 jet drone, according to battlefield reports. Details of the ship’s ownership and cargo are not yet fully confirmed, but the incident reinforces that commercial traffic in the region — Russian or otherwise — now operates under the shadow of both Ukrainian and Russian long-range strike systems.
Onshore, Moscow has launched a new strike campaign against the port infrastructure of Odesa Oblast. On 13 July, Russian forces used roughly 12 Kh‑59/69 cruise missiles along with at least 42 Geran‑2 loitering munitions and three operator-controlled Geran‑4 jet drones in attacks focused primarily on Chornomorsk Port, according to Ukrainian reporting. Additional Russian sources said port facilities in Chornomorsk were targeted because they allegedly stored cargo for the Ukrainian Armed Forces. Satellite and ground imagery showed large fires burning around Odesa and Chornomorsk, with local accounts describing hits on up to four sites.
For crews and insurers, the effect is to erase the distinction between front line and rear area. Ukrainian strikes on Russian-flagged or Russian-linked shipping in the Sea of Azov raise the cost and risk of using what Moscow has treated as an internal waterway, potentially complicating movements of grain, steel and military supplies. Russian attacks on Odesa’s ports, Black Sea vessels and Ukrainian infrastructure threaten Ukraine’s remaining export lifelines and send a deterrent message to foreign operators considering calls at Ukrainian ports.
Strategically, the dual campaigns point to an accelerating contest over whose trade moves, and on what terms. Port Kavkaz and the Kerch approaches are central to Russian efforts to sustain Crimea and supply forces in southern Ukraine; repeated damage there can push Moscow to reroute flows via longer, more vulnerable land corridors. In turn, sustained Russian strikes on Odesa and Chornomorsk seek to compress Ukraine’s access to global markets and weaken its ability to finance and sustain the war.
The broader pattern is one of both sides normalising attacks on commercial and dual-use maritime targets, betting that cumulative pressure on ports, depots and shipping will bite before their own logistical pain becomes intolerable. As more unmanned surface and aerial systems pour into these confined seas, the margin for error — a misidentified vessel, a navigation failure, a fire spreading from a port tank farm to nearby residential districts — narrows sharply.
The core insight is that in the Black and Azov Seas, logistics have become both the weapon and the target: ships, ports and fuel tanks are no longer just the support system of the war, they are the battlefield itself.
Key indicators to watch now include confirmed damage assessments at Port Kavkaz and the Mikhailovsk oil depot; any clear shift in Russian shipping routes or volume through the Sea of Azov; the resilience of Odesa’s port operations under sustained attack; and whether third-country insurers or shipping lines begin to restrict exposure in either sea. Those moves will show whether this remains a war of attrition at the margins of maritime trade, or starts to reshape how the wider region moves energy and goods.
Sources
- OSINT