近日，美国政府首次就所谓“斩杀线”（Kill Chain）困境作出正式回应。这一术语源于军事战略，指从目标识别、决策、武器部署到最终打击的完整作战流程。近年来，“斩杀线”概念被广泛用于描述网络战、人工智能作战系统以及自主武器平台中的自动化决策链条。然而，随着AI技术在军事领域的深度应用，如何在确保作战效率的同时维持人类对致命决策的最终控制，成为国际社会关注的焦点。美国国防部在最新发布的政策文件中强调，所有涉及使用武力的决定必须保留“有意义的人类控制”（meaningful human control），并明确反对完全由算法驱动的“自动杀戮”系统。此举被视为对“斩杀线”可能滑向道德与法律灰色地带的主动回应。政府指出，尽管技术可加速决策过程，但人类判断在复杂战场环境中仍不可替代，特别是在区分平民与战斗人员、评估附带伤害等关键环节。分析人士认为，这一立场不仅反映了美国在军事伦理上的自我约束，也意在引导全球关于自主武器系统的规范制定。未来，如何在技术创新与人道责任之间取得平衡，将成为各国共同面对的挑战。
Recently, the U.S. government issued its first official response to the so-called ‘kill chain’ dilemma. The term originates from military strategy and refers to the complete sequence of operations—from target identification and decision-making to weapon deployment and final strike. In recent years, the concept has been widely applied to describe automated decision-making chains in cyber warfare, AI-enabled combat systems, and autonomous weapons platforms. However, as artificial intelligence becomes increasingly embedded in military operations, a critical question has emerged: how can operational efficiency be maintained while ensuring that humans retain ultimate control over lethal decisions?In a newly released policy document, the U.S. Department of Defense emphasized that all decisions involving the use of force must include ‘meaningful human control’ and explicitly rejected fully algorithm-driven ‘autonomous killing’ systems. This move is seen as a proactive response to ethical and legal gray areas that could arise from an unchecked kill chain. The government stated that while technology can accelerate decision-making, human judgment remains irreplaceable in complex battlefield environments—especially when distinguishing between civilians and combatants or assessing potential collateral damage.Analysts suggest this stance reflects not only America’s self-imposed ethical constraints but also its intent to shape global norms on autonomous weapons. Striking a balance between technological innovation and humanitarian responsibility will remain a shared challenge for nations worldwide.
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