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May 30, 2025
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Japan-U.S. Security Arrangements

Japan-U.S. Security Arrangements

Overview of Japan-U.S. Security Relationship

Under the security environment surrounding Japan, which is becoming increasingly severe and uncertain at a remarkably rapid pace, it is indispensable to strengthen the Japan-U.S. Security Arrangements and to enhance the deterrence of the Japan-U.S. Alliance not only for the peace and security of Japan, but also for the peace and stability of the Asia-Pacific region. The Japan-U.S. Alliance has become more solid than ever under the relationship of trust between their leaders. Given this, Japan and the U.S. are further enhancing their deterrence and response capabilities under the Guidelines and the Legislation for Peace and Security. Through such efforts, Japan and the U.S. have been expanding and strengthening cooperation in a wide range of areas, including ballistic missiles defense, cyberspace, outer space, and maritime security. Japan and the U.S. have been working closely on the realignment of U.S. Forces in Japan, including the relocation of Marine Corps Air Station (MCAS) Futenma and of approximately 9,000 U.S. Marine Corps in Okinawa to Guam and other locations in order to mitigate the impact on local communities, including Okinawa, while maintaining the deterrence of the U.S. Forces in Japan.

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