General Mark Milley, chairman of the Joint Chiefs of Staff nominee for U.S. President Donald Trump, speaks during a Senate Armed Services Committee confirmation hearing in Washington, D.C., U.S., on Thursday, July 11, 2019. Milley said Iran's armed forces present the most "formidable conventional and unconventional" threat in the Persian Gulf as the U.S. tries to press the Islamic Republic to end its nuclear program. Photographer: Andrew Harrer/Bloomberg via Getty Images
