The US Army's top civilian leader, Dan Driscoll, has submitted his resignation, the White House confirmed Monday, following reports of tensions with

Army Secretary Dan Driscoll is stepping down after 18 months on the job. That’s according to the White House on Monday.

Army Secretary Dan Driscoll submitted his resignation to President Donald Trump, three sources familiar with the matter told CNN.

The development follows Driscoll publicly breaking with Hegseth's move to force Gen. Randy George, the ousted Army chief of staff, to retire.

Dan Driscoll leaves after 18-months in the job with White House bogged down in Iran conflict