December 1 -- Defence Minister Keisuke Nakanishi resigned over controversial remarks he made related to Japan 's pacifist constitution .
December 1 -- Defence Minister Keisuke Nakanishi was replaced by Kazuo Aichi .
December 1 -- Defence Minister Keisuke Nakanishi resigned over controversial remarks he made related to Japan 's pacifist constitution , and was replaced by Kazuo Aichi .