What is the definition of military necessity?

Military necessity refers to the legal and ethical principle that allows for the use of force in armed conflict when such actions are essential to achieve a legitimate military objective. It justifies measures that may otherwise be considered unlawful, as long as they are required to secure victory, protect military personnel, and minimize casualties. However, military necessity is constrained by international humanitarian law, which prohibits actions that cause unnecessary suffering or violate the rights of civilians. Ultimately, it seeks to balance military goals with humanitarian considerations.