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OSAC Bureau of Diplomatic Security U.S. Department of State
February 28, 2026 – The Department of State advises U.S. citizens worldwide caution.
Location: Worldwide
Event: Following the launch of U.S. combat operations in Iran, Americans worldwide and especially in the Middle East should follow the guidance in the latest security alerts issued by the nearest U.S. embassy or consulate. They may experience travel disruptions due to periodic airspace closures. The Department of State advises Americans worldwide to exercise increased caution.
Enroll at https://step.state.gov(opens in a new tab) to receive the latest security alerts and follow the “U.S. Department of State – Security Updates for U.S. Citizens ” channel on WhatsApp. When planning travel, read carefully our Travel Advisory, country information, and any recent alerts at https://travel.state.gov/en/international-travel.html .
The contents of this (U) report in no way represent the policies, views, or attitudes of the United States Department of State, or the United States Government, except as otherwise noted (e.g., travel advisories, public statements). The document was compiled from various open sources and (U) embassy reporting. Please note that all OSAC products are for internal U.S. private sector security purposes only. Publishing or otherwise distributing OSAC-derived information in a manner inconsistent with this policy may result in the discontinuation of OSAC support.
