Iran blockaded the critical chokepoint at the beginning of the U.S.-Israeli war. The waterway is key to the flow of the world's oil supply.

NPR's Rob Schmitz speaks with Austin Ramzy of the Wall Street Journal about how China is able to import oil from Iran despite blockades on the Strait of Hormuz.

NPR's Michel Martin talks with Bob McNally, a former White House energy adviser, about roller-coaster oil prices amid the U.S. war with Iran.

NPR's Ailsa Chang talks with Mona Yacoubian, director of the Middle East Program at the Center for Strategic and International Studies, on President Trump's pattern with threatening strikes on Iran.

There's been another escalation in the week of strikes between the U.S. and Iran. The U.S. hit bridges and a tower at an important Iranian port Thursday night, Eastern Time. NPR's Jane Arraf has been following developments and joins us from Jordan.