Pete Hegseth told Milley, a critic of Trump, that he had ordered an investigation to determine whether his rank should be re-evaluated.

Defense Secretary Pete Hegseth on Tuesday revoked the security detail and security clearance for Gen. Mark Milley, according to Pentagon spokesman John Ullyot, an unprecedented move against the former top US general who became a frequent target of President Donald Trump.

New U.S. Defense Secretary Pete Hegseth, in one of his first acts in the job since being appointed by President Donald Trump, has revoked the personal security detail and security clearance for Mark Milley,

Defense Secretary Pete Hegseth is pulling the security protections and clearance of retired Joint Chiefs Chairman Gen. Mark Milley.

"My family and I are deeply grateful for the President's action today," Milley said in a statement to USA Today provided by a spokesperson.

Newly minted Defense Secretary Pete Hegseth stripped the personal security detail and security clearance of former Joint Chiefs of Staff Chairman Army Gen. Mark Milley on Tuesday.

The portraits of former Defense Secretary Mark Esper and retired Army Gen. Mark Milley, former chairman of the Joint Chiefs of Staff, were removed from the Pentagon after Defense Secretary Pete Hegseth revoked Milley’s personal security detail and security clearance.

Retired Gen. Mark Milley's personal security detail and security clearance is being pulled by Defense Secretary Pete Hegseth, multiple senior administration officials tell Fox News.

The Pentagon has revoked the security detail and clearance for retired general Mark Milley, a former top US military commander who has been critical of President Donald Trump. Defence Secretary Pete Hegseth directed the move as one of his first acts in office, asking officials to investigate Gen Milley's "conduct" and review his military grade.

Defense Secretary Pete Hegseth has ordered an investigation into retired general Mark Milley — who often clashed with President Trump — and determine whether he should be reduced in rank.

Defense Secretary Pete Hegseth has removed retired U.S. Gen. Mark Milley's personal security detail, suspended his security clearance and directed the Pentagon's acting inspector general to carry out an inquiry into Milley's conduct to determine if his military rank should be reduced.