U.S. Coast Guard operations intensified on Wednesday as helicopters and vessels mobilized to intercept the Marinera, a Russian-flagged oil tanker linked to Iranian interests. The enforcement action, carried out under the Coast Guard's maritime law-enforcement mandate, signals escalating tensions in global energy markets. Such interventions typically ripple through commodity pricing and geopolitical risk premiums across financial markets. The move reflects tightening sanctions enforcement and underscores the ongoing volatility in oil supply chains—factors that traders and investors monitoring macro volatility should keep on their radar.