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OIL CHOKEPOINT

Official Iranian Notice to Mariners S. 09/2026 dated 17 April 2026, showing the text and navigational chart of two designated one-nautical-mile transit corridors for commercial vessels crossing the Strait of Hormuz, issued by Iran’s Ports and Maritime Organization under IRGC Navy authority

One nautical mile

Iran declared the Strait of Hormuz open for commercial shipping — then reversed course thirty hours later. The Notice to Mariners it published tells a different story than the headlines did

U.S. Navy and Coast Guard ships, including an uncrewed surface vessel, navigate the strategically vital Strait of Hormuz, a region of heightened military presence and geopolitical significance due to Iran's proximity and influence

At the heart of global oil–The indispensable Hormuz Strait

The strategic significance of the Hormuz Strait, as detailed by Port Economics, Management and Policy in their work by Theo Notteboom, Alfred Baird, and Jean-Paul Rodrigue, remains an undeniable force in global maritime affairs