If accepted, Dan Driscoll's resignation would mark the latest departure of a senior military leader under President Donald Trump's administration.

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.

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