Royal Marine Commandos stormed a Russian oil tanker in the English Channel on June 14, marking the first time British armed forces have boarded and seized a sanctioned vessel in those waters. The target: a tanker called the SMYRTOS, part of a sprawling shadow fleet that keeps Russian oil revenue flowing despite Western sanctions.
The operation lasted six hours. The ship is now sitting under armed surveillance off the southern coast of England. Crew members aboard shadow fleet vessels like the SMYRTOS are reportedly paid their salaries in USDT stablecoins, averaging $2,000 to $3,000 per month.
What happened and why it matters
The boarding operation took place in the early hours of a Sunday morning, involving Royal Navy vessels alongside the commandos. Prime Minister Keir Starmer confirmed the detention and said investigations are ongoing.
Russia’s shadow fleet comprises approximately 700 tankers, and these vessels reportedly carry nearly 75% of Russia’s sanctioned oil exports. The UK expanded its interception powers back in March 2026. France seized a tanker with UK support on June 1, just two weeks earlier. Ukrainian President Volodymyr Zelenskyy publicly thanked the UK for the operation, framing it as a meaningful act of international cooperation against Russia’s war economy.
The stablecoin pipeline hiding in plain sight
Shadow fleet crew salaries paid in stablecoins represent a real-world example of crypto being used to circumvent international sanctions. USDT is dollar-denominated, widely accepted, and doesn’t require a correspondent banking relationship. For crews receiving $2,000 to $3,000 monthly in a stablecoin wallet, it is a practical alternative to a frozen financial system.
Regulatory pressure is building fast
Tether has historically cooperated with law enforcement requests to freeze wallets. The EU’s MiCA framework already imposes strict requirements on stablecoin issuers operating in Europe. By late 2025, over 630 shadow fleet vessels had been designated as sanctioned by the European Union alone.
Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.

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