Dan Driscoll, the United States Army secretary, has submitted his resignation after 18 months in the position, prompting further leadership challenges within the military amid ongoing international conflicts. The White House confirmed Driscoll’s departure on Monday but did not specify a public reason, while multiple sources cited a prolonged and contentious relationship with Defense Secretary Pete Hegseth as a significant factor.
Driscoll’s resignation follows a series of abrupt changes within the Army’s senior leadership. Notably, General Randy George, the Army's chief of staff and a close ally of Driscoll, was dismissed by Hegseth in April without a stated explanation. Other senior military leaders, including the commanders of U.S. Army forces in Europe and Africa, also vacated their posts in recent months. These developments come as the Army plays a key role in defending American troops in the Middle East against Iranian missile and drone threats, while providing critical intelligence and support to Ukraine amid its conflict with Russia.
According to officials familiar with internal Pentagon dynamics, tensions between Driscoll and Hegseth have been ongoing. Driscoll reportedly opposed Hegseth’s repeated firings and the blocking of promotions for a number of Army colonels. Sources indicated that the strained relationship contributed to Driscoll’s decision to step down earlier than initially planned. An administration official described the environment as “untenable” for Driscoll and suggested his resignation was also motivated by a desire to protect colleagues from fallout related to their association with him.
A White House spokeswoman praised Driscoll’s tenure, highlighting his leadership during significant military operations, efforts to restore readiness and lethality, and a role in diplomatic negotiations related to the Russia-Ukraine conflict. Driscoll, confirmed by the Senate in 2025 at age 38 as the youngest Army secretary, is an Iraq War veteran and close associate of Vice President J.D. Vance. His initiatives included pushing for modernization of Army systems, fostering stronger technology integration, and championing reforms aimed at preparing forces for future warfare.
Despite Driscoll’s support in Congress, Hegseth has pursued a more aggressive restructuring approach, removing senior officers perceived as obstacles to his vision for the Army. This includes halting a drone modernization program and directing units to focus on traditional infantry roles. Critics, including Senator Jack Reed, have expressed concerns that Hegseth’s leadership style prioritizes personal loyalty over competence and suppresses dissent within the service.
With Driscoll’s resignation, the Army is now without a Senate-confirmed civilian leader and remains without a permanent chief of staff following General George’s ouster. Hegseth has expressed interest in appointing Sean Parnell, the Pentagon’s chief spokesman, as the new Army secretary, though Parnell’s past controversies and the current partisan Senate landscape may complicate confirmation.
Driscoll met with President Donald Trump on Monday to personally submit his resignation and discuss the Army’s current challenges. The timing of the resignation, amid high operational demands and upcoming midterm elections, raises questions about the swift appointment and confirmation of his successor.