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Commentary
World Politics Review

U.S., Japan Update Defense Guidelines to Expand Operations

Senior Fellow and Director, Center for Political-Military Analysis

On Oct. 8, after a year of intense effort, the Japanese and U.S. governments on planned revisions to the guidelines framing their militaries’ respective roles in the joint defense of Japan. The report does not identify specific threats or discuss detailed scenarios for joint military operations, but it does provide a series of principles guiding the revisions and lists some types of cooperative activities they will cover. These principles and examples make clear that the two countries plan to expand the range of possible operations both geographically and functionally.

The two governments’ foreign and defense ministers agreed last October to update the guidelines, which were last revised in 1997. Japanese and U.S. officials have cited the need for the new text to address a greatly changed security environment. Although they declined to identify China’s rising power and assertiveness as a threat, this is clearly a main driver of the changes. The threat from North Korea has also evolved, due to a more unpredictable leader in Pyongyang and the country’s three nuclear weapons tests. Transnational terrorism has also become more threatening, while Japanese and U.S. cyber and space assets have become less secure. The State Department said that the guidelines would be revised further as circumstances warranted. ...