The act of protecting and safeguarding against external threats or attacks, especially in a national context.
The measures taken to prevent harm or invasion, often associated with military or security efforts to maintain sovereignty.
An instinctual or strategic response to safeguard oneself or a group from potential danger or aggression.
A formal governmental organization responsible for managing and overseeing a country's defense strategies and military forces.
Example:
その防衛計画に関する見通しは暗い。
A system or strategy designed to detect, track, and intercept incoming ballistic missiles to protect a specific area or population from potential threats.
The military technology and operations involved in the proactive defense against missile attacks, aimed at neutralizing the missile before it reaches its target.
The comprehensive measures taken by a nation's defense forces to safeguard against missile threats, including detection, interception, and destruction of the missile.
A legal justification for taking action to protect oneself or others from imminent and unlawful harm, where such action is not subject to legal penalties or liabilities.
An act performed to safeguard personal safety or the rights of others in response to a sudden and unjust attack, ensuring that the defender’s measures are deemed appropriate and necessary under the circumstances.
Example:
彼は裁判で正当防衛を主張して無罪となった。
The highest-ranking official responsible for overseeing national defense policies and coordinating military operations within the former Defense Agency of Japan.
The individual tasked with advising the government on defense matters and managing the organization that was responsible for the country’s defense forces prior to its restructuring.
The leader of the administrative body that handled Japan's defense strategy, civilian oversight of the Self-Defense Forces, and interactions with international military partners.
A senior military officer responsible for overseeing defensive operations and strategy within an organization or unit.
A high-ranking official who coordinates and manages defense-related activities, often working closely with other departments to ensure national security.
An individual in a leadership position who advises on military preparedness and response, playing a key role in planning and executing defense initiatives.