FILE - Retired Gen. Mark Milley, the former chairman of the Joint Chiefs of Staff, appears before the House Foreign Affairs Committee about the U.S. withdrawal from Afghanistan on Capitol Hill, Tuesday, March 19, 2024, in Washington. (AP Photo/Mark Schiefelbein, File)

The space where a portrait of retired Gen. Mark Milley is empty at the Pentagon on Monday, Jan. 20, 2025 in Washington. (AP Photo/Tara Copp)

FILE - President Donald Trump speaks as the Chairman of the Joint Chiefs of Staff Gen. Mark Milley, right, listens during a briefing with senior military leaders in the Cabinet Room at the White House in Washington, Monday, Oct. 7, 2019. (AP Photo/Carolyn Kaster, File)

A portrait of retired Gen. Mark Milley is seen at the Pentagon on Monday, Jan. 20, 2025 in Washington. (AP Photo/Tara Copp)