World · New U.S. Navy Secretary John Phelan is leaving his job, the Pentagon abruptly announced Wednesday, the first head of a military service to depart during President Donald Trump's second term but just the latest top defence leader to step down or be ousted. Departure of Navy's top civilian official comes as U.S. blockade of Iranian ports continues Listen to this article Estimated 5 minutes The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. U.S. Secretary of Defense Pete Hegseth, left, and Secretary of the Navy John Phelan stand by a rendering of the 'Trump Class' USS Defiant at Mar-a-Lago last December. Phelan was fired Wednesday, amid the U.S. war in Iran and naval blockade of Iranian ports. (Jessica Koscielniak/Reuters) U.S.…