At the time, sanctions experts thought it would be impossible to enforce the U.S. court order in international waters.

A senior U.S. official told The Associated Press that no military force was used in the seizures and that the ships weren't physically confiscated. Rather, U.S. officials threatened ship owners, insurers and captains with sanction to force them to hand over their cargo, which now becomes U.S. property, the official said.

This kind of stuff give me hope of happenings happening.