The U.S. Navy will be deploying a new generation of drone-based countermeasures to search the sea floor and surface for any mines Iran laid.

It was the first U.S. rescue carried out by an autonomous surface vessel and remotely piloted by a human operator, according to a military spokesperson.

A federal judge has ruled that David Rush, the C.I.A. employee, must remain in detention. U.S. officials say Mr. Rush funneled millions in federal funds to himself.

Iran’s response to days of aerial bombardment and long-range artillery strikes has proved more resilient than Trump administration officials anticipated.

The Iranian Navy sought refuge in Sri Lanka and India. While India obliged, Sri Lanka stalled over fears it would threaten its neutrality.

The United States has long considered Iranian naval ships a serious threat, even as the country’s nuclear and missile programs dominate discussions of its military capabilities.