 In Japan, the United States military and its navy took precautions against the approaching storm.Okinawa was put under Tropical Cyclone Condition of Readiness (TCCOR) 1-E, which means that all outdoor activities are prohibited as there are sustained winds of at least 50 knots (95 km/h, 60 mph) in force, on September 16, with over 100 flights into and out of Naha International Airport on the island cancelled.Kadena Air Base moved various aircraft to other undisclosed locations in the Pacific.