US Army Secretary Dan Driscoll has submitted his resignation aft astir 18 months successful the role.
His departure was confirmed by CBS, the BBC's US media partner, which reported it came aft months of struggle betwixt him and Defence Secretary Pete Hegseth.
The youngest-ever service caput has often been referred to arsenic President Donald Trump's "drone guy".
Driscoll, 41, has been "highly effective" successful advancing Trump's docket "to Make America Strong Again" and provided "outstanding leadership" during subject operations, the White House said successful a connection fixed to CBS.
The BBC has contacted the White House, Pentagon and Army for comment.
Driscoll is the latest successful a drawstring of caller high-profile subject leaders to depart, including Navy Secretary John Phelan who abruptly discontinue successful April.
Other notable departures see Army Chief of Staff Randy George, Army Gen David Hodne and Maj Gen William Green.
Since entering the Pentagon, Hegseth has fired much than a twelve elder subject officers, including the main of naval operations and the Air Force's vice-chief of staff.
The details of the behind-the-scenes friction betwixt Driscoll and Hegseth are unclear but CBS notes that the service caput is bully friends with George, who was reportedly asked by Hegseth to resign.
The station of service caput is the apical civilian person of the US Army, directing progressive work troops, on with the National Guard and reserve soldiers.
Driscoll antecedently served successful the Army and was an serviceman successful 2007 earlier starring a cavalry platoon and deploying to Iraq for respective months successful 2009.
As service secretary, Driscoll became known arsenic Trump's "drone guy" owed to his clasp of emerging battlefield technologies.
He took connected a starring relation past twelvemonth successful talks aimed astatine ending the Russia-Ukraine war, taking connected overseas trips and gathering with Ukrainian President Volodymyr Zelensky.
He's besides a adjacent state and person of Vice-President JD Vance, whom helium met astatine Yale Law School.
During his tenure arsenic caput of the US Army, helium was a cardinal fig successful Trump's deployment of the National Guard to US cities.
He besides took implicit the relation of acting manager of the Bureau of Alcohol, Tobacco, Firearms and Explosives.
English (US)·