2026 United States naval blockade of Iran

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On 13 April 2026, the United States imposed a naval blockade on Iran following the failure of the Islamabad Talks to end the 2026 Iran war. The blockade began 10:00 EDT and applied only to ships going to and from Iran. Iran said that it viewed the entry of US military vessels near the Strait of Hormuz as a breach of the ceasefire agreement that had been reached days earlier and that it would respond accordingly. On 22 April, US president Donald Trump claimed that the naval blockade had cost Iran $500 million daily while the US Department of Defense estimated that Iran had lost $4.8 billion in oil revenue by 1 May. On 17 April, Iran announced that its closure of the Strait of Hormuz, which had been in effect since the start of the war on 28 February, would be paused for the duration of the truce in Lebanon, saying that passage of commercial vessels through the strait would be completely open. On 18 April, Iran said that it had closed the strait again in response to the refusal of the US...

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