The State Department issued a global security warning on Sunday advising Americans abroad to "exercise increased caution" due to potential protests against U.S. citizens and interests in response to American military actions in the Israel-Iran conflict. This advisory came shortly after President Trump confirmed U.S. strikes on Iranian nuclear facilities, an escalation that experts predict could provoke retaliatory actions against American assets in the region.

The travel warning highlights the volatility of the situation, particularly in the Middle East, where travel may be severely disrupted, including periodic airspace closures. Americans are encouraged to review country-specific advisories before making travel plans and to enroll in the Smart Traveler Enrollment Program for timely security updates and emergency communication.

Safety levels depend on specific destinations. The State Department has rated both Israel and Iran as "Level 4," or "do not travel," citing concerns of armed conflict, terrorism, and civil unrest. The advisory has recently been updated for Israel, the West Bank, and Gaza due to increasing violence, and emergency evacuation flights are being arranged for Americans who wish to exit Israel promptly.