After his election last year, Leo XIV developed a reputation as a mild-mannered mediator. President Trump’s attacks have made him more combative.

His visit includes a trip to a shrine where enslaved Africans were baptized before being forced into the treacherous voyage across the Atlantic Ocean.

Separate from the regular Iranian Navy, with boats that often go more than 115 miles per hour, it’s what a retired U.S. official calls a “disruptive force.”