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U.S. Lifts Naval Blockade of Iran as Preliminary Nuclear Deal Takes Effect

A 60-day implementation window begins as oil tankers resume transit through the Strait of Hormuz under a conditional nuclear and maritime agreement.

June 19, 2026 at 6:00 AM

The United States has officially lifted its naval blockade of Iran, allowing commercial shipping and oil tankers to resume movement through the Strait of Hormuz. The move marks the beginning of a 60-day implementation period tied to a new memorandum between Washington and Tehran. While Reuters-style reports indicate that more than 12.5 million barrels of oil transited the waterway on Wednesday night, U.S. Central Command (CENTCOM) confirmed that American warships will remain in the region to monitor compliance with the deal's terms. The agreement serves as a conditional framework rather than a final settlement. U.S. envoy Steve Witkoff stated that Iran is expected to facilitate the return of U.N. nuclear inspectors and begin the supervised dilution of its highly enriched uranium stockpile. Sanctions relief remains "performance-based," with U.S. officials emphasizing that further easing is dependent on Iranian adherence to verification steps. Iranian state media has characterized the maritime situation as "normalized," though they noted that transit through the waterway remains under Iranian military supervision. International reaction has been largely positive, with China hailing the memorandum as a significant step toward de-escalation in the Middle East. Similarly, the European Parliament is discussing the role of EU member states in supporting long-term stability following the deal. Despite the breakthrough, maritime industry experts caution that the central route of the Strait of Hormuz may still contain hazards, including mines, necessitating ongoing clearing operations before shipping can fully return to pre-conflict levels.

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