FBI Warns Iran Could Launch Surprise Suicide-Drone Attack on California

Iran has continued to develop low-cost suicide drones in recent years for precision strikes over long distances. Launching them from waters off the U.S. coast could shorten warning times and threaten critical infrastructure in California. The alert has also drawn attention to the physical security and resilience of cloud services and data centers operated by companies including AWS, although there have been no reports of damage to facilities or related financial losses.

The FBI's latest emergency alert said Iran could launch suicide drones from waters off the U.S. coast in a surprise attack on California. As of July 20, 2026, publicly available information had not disclosed when the alert was issued, how many drones might be involved or what specific sites could be targeted. Questions also remained about the intelligence's credibility and Iran's actual deployment, guidance and air-defense penetration capabilities. No attack had been confirmed.