According to him, such a decision was made following a meeting of the National Security Council, headed by Prime Minister Shinzo Abe.

In January, Russian Deputy Foreign Minister Sergei Ryabkov said that Moscow was not convinced by the position of the Japanese side that the appearance of Aegis Ashore complexes would only serve to protect Japan "from hypothetical strikes" by the DPRK.

At the end of 2019, Russian Foreign Minister Sergey Lavrov discussed with his Japanese counterpart Toshimitsu Motegi the creation of the Asian segment of the US global missile defense system.