In my conversations with experts, five potential Iranian moves kept surfacing. Iran could take a big step and use its military to disrupt shipping or even seek to shut down commerce in the Strait of Hormuz, a crowded international waterway near southern Iran through which roughly one-fifth of the world’s oil supply passes.

Our chief international correspondent Lyse Doucet explains the options on the table.

In a briefing at the Pentagon, officials said the U.S. strikes caused “severe damage” to Iranian nuclear sites. Iran condemned the attacks and has vowed to defend itself.