This issue involves a complex moral dilemma in the ethics of war. From the traditional military point of view, there is a "dual effect principle" that believes that if certain conditions are met (such as the legality of the action itself, good intentions, unintentional consequences of the bad, etc.), some non-combatant casualties may be accepted. However, modern international humanitarian law clearly emphasizes： -Civilian protection is a basic principle -Military operations must distinguish between military and civilian -The damage must be commensurate with the military target -It is forbidden to deliberately target civilians There is no simple answer to this question, and different ethical positions (utilitarianism, obligationism, etc.) will give different responses. Modern military operations require a careful trade-off between achieving goals and protecting innocents, while complying with the norms of international law. The key is that the military has the responsibility to do everything possible to reduce civilian casualties, even if this increases the difficulty of military operations.