# German maritime security and Russian Baltic Sea activity > Live situation record from CLSTR: https://clstr.news/situations/german-maritime-security-and-russian-baltic-sea-activity > Updated: 2026-09-04T09:30:00.000Z. Sources: 21. Developments: 2. German naval and security officials have raised alarms regarding Russian maritime activities in the Baltic Sea. German Navy Inspector Jan Christian Kaack reported a high level of Russian aggression, including spying on military bases, sabotage attempts, and drone flights. A primary concern is the Russian ‘shadow fleet’—tankers used to bypass Western oil price caps and sanctions—which is reportedly being protected by warships or armed security teams. In response to these threats, German authorities have transitioned toward active enforcement training. The German Coast Guard and special forces conducted drills on the patrol vessel BAMBERG to practice intercepting and seizing tankers belonging to the ‘Dark Fleet’. While these exercises involved helicopters and special units rappelling onto decks, officials noted the high risk of escalation. The Director of the German Federal Police, Dieter Romann, warned that enforcement actions could lead to armed conflict if vessels are accompanied by Russian warships or armed mercenaries. ## Timeline ### 2026-09-04: Germany conducts drills to intercept Russia’s ‘Dark Fleet’ tankers German special forces are training to intercept Russia’s ‘Dark Fleet’ oil tankers to enforce sanctions, amid warnings that such maritime enforcement could escalate into armed conflict. 3 sources. https://clstr.news/cluster/germany-conducts-drills-to-intercept-russias-dark-fleet-tankers ### 2026-08-27: German Navy warns of Russian aggression and shadow fleet in Baltic Sea German Navy Inspector Jan Christian Kaack warns of Russian aggression in the Baltic Sea, including spying, sabotage, and the armed protection of a ‘shadow fleet’ used to evade oil sanctions. 18 sources. https://clstr.news/cluster/german-navy-warns-of-russian-aggression-in-the-baltic-sea --- Cite as: German maritime security and Russian Baltic Sea activity. CLSTR, https://clstr.news/situations/german-maritime-security-and-russian-baltic-sea-activity