The U.S. Air Force has banned vehicles made by Chinese automaker BYD from Kadena Air Base in Okinawa, Japan, one of the largest American air installations in the Indo-Pacific, citing security concerns.
The 18th Wing, which operates the base, said the vehicles posed an "unacceptable and unmitigable" risk to the mission. The restriction took effect Monday and applies to all BYD vehicles at the gates, including privately owned cars, taxis, and contractor and delivery vehicles.
Fears over cameras and sensors

The Air Force has not detailed the specific threat. South Korea's Yonhap news agency, citing U.S. military officials in Japan, reported that the concern is that cameras and sensors on the cars could collect and transmit sensitive information about the base. The U.S. military has not said that any BYD vehicle has collected data at Kadena.
In June, the Pentagon added BYD to its list of companies it says have ties to the Chinese military, a move that drew a protest from China's Commerce Ministry.
Could spread to other bases
Yonhap reported that similar measures could be extended to U.S. bases in South Korea, though Korean media say no decision has been made. The ban comes amid wider Western concern about connected-car technology; the Netherlands warned of potential spying risks from smart vehicles in late September.