Satellite images analyzed by The New York Times show the extent of damage at the three nuclear facilities hit by the United States. Fordo is Iran’s most critical nuclear enrichment facility, housed deep inside a mountain to shield it from attacks.

It was an unprecedented attack years in the making, with some last-minute misdirection meant to give the operation a powerful element of surprise.

The market’s biggest concern is that Iran could disrupt flows through the Strait of Hormuz—a vital artery for about a quarter of the world’s seaborne oil.