U.S. Secretary of Defense Pete Hegseth and Joint Chiefs of Staff Chairman Dan ‘Razin’ Caine hold a press briefing at the Pentagon after the U.S. completed an attack on three key Iranian nuclear sites. U.S. Secretary of Defense Pete Hegseth and Joint Chiefs of Staff Chairman Dan ‘Razin’ Caine hold a press briefing at the Pentagon after the U.S. completed an attack on three key Iranian nuclear sites.