By Matt Underwood Photos emerging from the Baltic Sea have brought a concerning new development to light: a Russian natural gas tanker has been photographed equipped with heavy machine guns, a stark visual that underscores the escalating tensions in the region. These images, captured by Estonian border guards and shared with FTM, reveal for the first time that Russia is arming its vessels in a manner previously unseen, raising immediate questions about potential military escalations.
The photographs, taken just last month, depict two Kord 12.7mm heavy machine guns mounted on the wheelhouse of the Marshal Vasilevskiy, a substantial natural gas tanker measuring nearly 300 meters in length. The Estonian border guards provided these crucial images to FTM’s media partner, Delfi. The presence of such weaponry, according to an intelligence officer from one of the Baltic states, drastically alters the risk assessment for Western countries considering any action against such a vessel, effectively rendering the probability of boarding “zero.”
The conflict between Russia and Ukraine is no longer confined to their immediate borders; its reach has extended to the seas surrounding Europe. Russia’s continued financing of its war effort relies heavily on its lucrative fossil fuel trade, and European nations have been implementing sanctions to curb these revenues. Part of this strategy has involved occasionally boarding and seizing tankers suspected of violating international maritime law, a tactic that has seen several EU countries, including Estonia, Finland, France, and the United Kingdom, temporarily detain vessels carrying Russian oil.
It appears Russia has now escalated its defensive measures to preempt such actions. As one intelligence officer aptly put it, “No one is going to go on board of such a ship by helicopter. If that was the objective, then Russia achieved it.” This suggests a clear intention to deter any attempts at boarding or seizure.
The specific weapon identified is the Kord 12.7mm, a Russian-made machine gun capable of firing ten rounds per second and engaging targets at distances up to two kilometers. The dual mounting on the Marshal Vasilevskiy indicates a deliberate deployment of significant firepower. Furthermore, an analysis of crew lists has revealed that military personnel have been traveling on board the tanker during its recent voyages. Over the past ten months, dozens of individuals listed as passengers have been identified by *Dossier Center*, an FTM media partner, as having previously worked for the Russian army, Russia’s National Guard (a special military unit under President Putin), or the FSB secret service. Some of these individuals likely still hold military identification.
The Marshal Vasilevskiy itself appears to be of considerable strategic importance. Owned by the Russian state company Gazprom, it has been consistently traveling between the gas terminal at Bolshoy Bor harbor and Kaliningrad, the Russian exclave situated between Poland and Lithuania, since October 2024. Currently, it is located in Kaliningrad. This maritime route is the sole method of transporting Russian gas to this militarily and strategically vital area, aside from a direct pipeline. An employee of a European intelligence service emphasized the importance of this transport for replenishing Kaliningrad’s gas reserves for the coming winter, stating that the presence of weapons aligns with Russia’s efforts to develop protective measures for its energy transports in the Baltic Sea region. Gazprom has not responded to requests for comment.
This development comes amidst Ukraine’s intensified efforts to target Russian ships, particularly in the Black Sea. Russia has made no public announcements regarding the deployment of these machine guns. While some security experts suggest that protecting vessels from fast-moving aerial drones might be challenging, others believe that neutralizing naval drones with a machine gun would be feasible, although no such attacks have been reported in the Baltic Sea to date.
However, a primary objective for Russia may be to deter EU countries from boarding or seizing its tankers as they navigate waters near European coastlines. Danish naval commander Jens Wenzel Kristoffersen, speaking in a private capacity as a defense analyst, described the armament as “heavy” and noted that “most people – even special forces – would be cautious about that.” He specifically highlighted the inherent risks associated with arming a gas tanker, pointing out that any misdirected fire could ignite the cargo, leading to catastrophic consequences.
Patrick Bolder, a retired lieutenant-colonel in the Royal Netherlands Air Force and a defense expert, warned of the potential for military escalation. He suggested that Russia is effectively signaling, “Don’t board us, because that will provoke a war.” The presence of heavily armed gas tankers in the Baltic Sea undoubtedly adds a new layer of complexity and potential danger to an already volatile geopolitical landscape.