S. Treasury has imposed significant sanctions on Iran, described as an "economic D-Day". This action is intended to have a substantial impact on the country's economy.

Further details about the sanctions and their potential effects are available from the source. The severity of the sanctions has led to the comparison with a major military operation, emphasizing their potential economic consequences. The specifics of the sanctions and the reasoning behind them can be found in the original report, which provides more information on this development.