The U.S. President has expressed a desire to change the name and function of the Department of Defense, reverting it back to the original vernacular of "War Department". While the reasoning behind this statement or potential ramifications it may have on international relations remains unclear, experts and international observers are preparing to evaluate its potential consequences and implications for global military affairs.

In Japan, the change of name for the U.S. Defense Department to the "War Department" raises numerous concerns. Japan's pacifist constitution and its commitment to non-aggression makes changes in the military stance of its allied countries, especially a major global player like the U.S., a significant concern for Japanese citizens and government.

If implemented, this change may echo differently in the U.S. or EU, where defense budgets and military involvements are significant items of public dispute. While the move could be seen as reinforcing transparency about military activities, it could also be perceived as a move towards increased belligerence, thereby raising alarm and uncertainty among allies and adversaries alike.