China has reportedly launched its third aircraft carrier which is believed to act as a deterrent to the United States. Despite its non-direct involvement, this event has a profound impact on Japan's security concerns. Tensions in East Asia have escalated, as this move by China appears to violate the military balance in the region. The exact location of the newly launched vessel remains undisclosed.

Japan, being a neighboring country, is deeply concerned about the growing military capabilities of China. Japan’s defense policy has been significantly influenced by the actions of its powerful neighbor. The deployment of this aircraft carrier could potentially trigger a regional arms race which Japan seeks to avoid due to its pacifist constitution. Public opinion in Japan is likely to be divided on the issue, with some advocating for stronger defense measures, and others preferring diplomatic resolution.

In the US or EU, such military growth by a rival nation could trigger calls for increased military spending and possibly strategic adjustments in the Pacific region. While debates over defense allocations are common, in Europe, the reaction might lean more towards diplomatic and economic responses, rather than militarily, considering the geographical distance and less direct threat as compared to the US.