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Martin S. Navias

The Singapore flagged Norman Atlantic after an Iranian attack, on approach to the Strait  of Hormuz, 6 December 1987 © Norbert Schiller/AFP/Getty Images

The Strait of Hormuz has become a fraught passage in the Tanker Wars between Iran and Iraq.

A starboard bow view of ships of tanker convoy No. 12 underway in the Persian Gulf, 21 October 1987

If tensions between the US and Iran in the Persian Gulf lead to war, it will not be the first time.