Although Taiwan and Japan are facing the same military threat — the Chinese Communist Party (CCP) — there is no formal military exchange between the two countries. To break through diplomatic restrictions and cooperate militarily, it is necessary for the Japanese government to pass a law or motion in the Japanese National Diet to resolve this key strategic issue. Otherwise, the two sides cannot exchange the most basic air defense information with each other. Japan’s Sankei Shimbun in February 2019 reported that Taiwanese officials had contacted the Japanese government through the Japan-Taiwan Exchange Association to propose the establishment of a reciprocal