# Japan–US relations

US Helicopter Display in Okinawa Broke Safety Rules, Killed Teacher, Military Report Finds

A US military probe found a helicopter display at Kadena Air Base in April 2025 violated safety rules and caused rotor wash that fatally injured a 60-year-old Japanese teacher. The aircraft was far closer to spectators than both the event plan and US Air Force guidance allowed, prompting admissions of planning and supervision failures and intensifying long-running local grievances in Okinawa.