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.”

To leftists abroad, Prime Minister Pedro Sánchez of Spain is a hero for standing up to President Trump. At home, Mr. Trump is seen as Mr. Sánchez’s political savior from thorny domestic challenges.