US RC-135U tracked south of Okinawa

A US Air Force RC-135U Combat Sent intelligence, surveillance, and reconnaissance (ISR) aircraft has been tracked operating south of Okinawa, Japan. The aircraft, with the tactical hex code AE01D5, was accompanied by a KC-135R Stratotanker (tail number 58-0104), indicating a long-duration mission requiring aerial refueling. The RC-135U is a specialized platform used to analyze foreign radar and electronic signals, and its flight path suggests a mission focused on monitoring activity in the Western Pacific region.