• The U.S. Treasury Department has made clear that Cuba is not allowed to take delivery of Russian crude.
  • The warning comes at a time when two tankers carrying Russian oil and gas are thought to be on their way to Havana.
  • The fuel-starved Caribbean island is facing its biggest test since the collapse of the Soviet Union under a U.S. oil blockade.

https://www.cnbc.com/2026/03/20/cuba-crisis-fuel-tankers-russia-oil-gas-energy-us-trump.html

AND

Distress or Deception? Sea Horse ‘Not Under Command’ While Delivering Cuba Gasoil

https://windward.ai/blog/sea-horse-not-under-command-while-delivering-cuba-gasoil/