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Assessing the U.S. Article 51 Letter for the Attack on Iran

Just SecurityBrian Finucane

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  1. reported

    The United States invoked collective self-defense under U.N. Charter Article 51 for Operation Midnight Hammer; U.N. special-procedure mandate holders said the strike appeared to violate Article 2(4), and Just Security's Brian Finucane concluded the U.S. letter did not establish the required armed-attack predicate, necessity, or proportionality.

    UA USA 20/2025 pages 2–5; Just Security Article 2(4), Article 51, necessity, and proportionality sections

    U.S. Article 51 defense of Operation Midnight Hammer draws sustained legal challenge · Contested legal analysis; no adjudication