Dan Driscoll, the US Army Secretary, submitted his resignation to President Donald Trump on Monday following a private meeting regarding the state of the military institution. ^[1] Dan Driscoll, the former deputy secretary of defense, resigned after 18 months in the role due to tensions with Defense Secretary Pete Hegseth. ^[2] Donald Trump announced on Thursday that he has named Adam Taylor as the acting defense secretary to replace Dan Driscoll. ^[3] Dan Driscoll expressed frustration to President Trump regarding the dismissal of experienced military leaders and the blocking of promotions for officers associated with officials removed by Hegseth. ^[4] Media sources, including The Washington Post, The New York Times, and Politico, report that the resignation stems from growing tensions between Driscoll and Defense Secretary Pete Hegseth. ^[5] The White House confirmed Driscoll's departure and described him as a highly effective official who strengthened the Army's operational readiness and participated in diplomatic efforts related to Russia and Ukraine. ^[6] Adam Taylor, the newly appointed acting defense secretary, was previously Driscoll's subordinate responsible for military infrastructure projects and had previously served as a Republican aide in Congress for several years. ^[7] General Randy George, the head of the Joint Chiefs of Staff, was relieved of his duties, a move with which Driscoll had a close relationship. ^[8]