​The near-daily missions to protect ships have allowed the U.S. to hold the line in a conflict that has dragged on since February and threatened access to the world’s oil supplies.

© Shelby Holliday/WSJ

A White House meeting included a rare in-person briefing by Adm. Brad Cooper, as the U.S. weighs new combat operations.

© Alex Wong/Getty Images

A White House meeting included a rare in-person briefing by Adm. Brad Cooper, as the U.S. weighs new combat operations.

© Alex Wong/Getty Images

There are new signs that the American and Israeli militaries are preparing a potential wave of strikes to muscle Tehran to the negotiating table.

© U.S. Navy

There are new signs that the American and Israeli militaries are preparing a potential wave of strikes to muscle Tehran to the negotiating table.

© U.S. Navy

There are new signs that the American and Israeli militaries are preparing a potential wave of strikes to muscle Tehran to the negotiating table.

© U.S. Navy

The intelligence has come as the Trump administration prepares to restart military operations against Tehran.

© AFP/Getty Images

Watch as sailors in the USS George Washington strike group prepare for a possible escalation in fighting on the front lines of the Iran war.

© Eve Hartley