Ships in the Strait of Hormuz off the coast of Musandam, Oman, on Monday. Many have been stranded since the start of the war.

A strike on the Bapco oil refinery in Bahrain in early March. A U.S. blockade of the Strait of Hormuz may give Iran a reason to restart attacks on energy assets throughout the Persian Gulf.

Cargo ships near the Strait of Hormuz, as seen last month from northern Ras al-Khaimah in the United Arab Emirates.