As U.S. strikes on Iranian nuclear facilities drive fears of retaliation, it remains to be seen whether Iran will try to block oil trade via the Strait of Hormuz.

Iran is a major producer of oil and also sits on the narrow Strait of Hormuz, through which much of the world’s crude passes. It will go into effect pending a final decision by Iran’s Supreme ...

Iran retains the naval assets and other capabilities it would need to shut down the Strait of Hormuz, a move that could pin any U.S. Navy ships in the Persian Gulf, American military officials say.

Iran's parliament approved a measure June 22 endorsing the closure of the Strait of Hormuz, a major oil transportation route, following U.S. airstrikes in Iran.

But Iran can make it hugely expensive, and dangerous, for the U.S. Navy to have to conduct what would most likely be a weekslong mine-clearing operation in the Strait of Hormuz, according to one ...