China has considerably improved its missile defence capabilities which is generally thought as a way to counter the US nuclear superiority after the abolition of the ABM Treaty. However, the Chinese responses show a broader understanding that the US nuclear superiority is more than a competition to reduce the efficiency of the Chinese deterrence.
The Okinawa Factor in Japan–China Relations
Okinawa prefecture has the potential to be a new factor affecting Japan-China relations, unless the Japanese government can manage local grievances.