Japan's lower house of parliament (the Diet) has approved a series of changes that would allow for an expanded role for the Japanese military in a contentious vote that has left many in Japan concerned about the country's pacifist posture.
Under the terms of Japan's constitution adopted after WWII, the country can't maintain a military, navy, or air force. That has been fudged slightly over the years, though, to allow for the Japanese Self-Defense Forces (SDF) to exist.
1. Aspiring sincerely to an international peace based on justice and order, the Japanese people forever renounce war as a sovereign right of the nation and the threat or use of force as a means of settling international disputes.2. In order to accomplish the aim of the preceding paragraph, land, sea and air forces, as well as other war potential, will never be maintained. The right of belligerency of the state will not be recognized.