Army Secretary Dan Driscoll has submitted his resignation to President Trump after months of friction with Defense Secretary Pete Hegseth, a departure that leaves the Army without a Senate-confirmed secretary or chief of staff.
Driscoll tendered his resignation on Monday, citing concerns that Hegseth had undermined Army transformation and readiness by firing the generals charged with leading those efforts, Fox News reported. The White House has not yet accepted the resignation, but Driscoll is expected to leave the Pentagon within days.
A source familiar with the matter told Fox News that Driscoll "brought up concerns with the administration surrounding Army transformation and readiness and Hegseth's blocking those efforts specifically by firing the Generals who were responsible." The resignation is effective September 3, and it marks the second time in months that a top military secretary has walked away from the Trump Pentagon.
The Army secretary's departure follows a string of high-profile removals and resignations that have hollowed out the Pentagon's senior ranks. Hegseth forced Army Chief of Staff Gen. Randy George, a 42-year veteran and Purple Heart recipient, into retirement earlier this year. Gen. Christopher Donahue, the Army's top commander in Europe and Africa, was pushed into early retirement effective July 2.
Navy Secretary John Phelan left in April. Now Driscoll is gone. After his departure, the Army will have no Senate-confirmed secretary and no Senate-confirmed chief of staff, a gap that Newsmax described as a significant leadership vacuum.
Rep. Jason Crow, a former Army Ranger, did not hold back. "The Pentagon right now is, in some cases, rudderless, with so many senior leaders gone," Crow said. "So, I'm gravely concerned about it."
The concern is bipartisan in scope, even if the framing differs across party lines. Sen. Jack Reed, the ranking Democrat on the Senate Armed Services Committee, accused Hegseth of "cultivating a culture where dissent is punished and competence is secondary to personal allegiance." That characterization comes from a partisan opponent, but the factual pattern underneath it, multiple forced retirements, a resignation, and no confirmed replacements, speaks for itself.
Driscoll's loyalty to the officers Hegseth removed became public at an April 16 House Appropriations subcommittee hearing. He told lawmakers he had been on vacation with his family in North Carolina when he learned Gen. George had been asked to submit his resignation. He drove directly to George's home.
"We walked right in, and we all gave him a hug," Driscoll recalled. He went further:
"There is no person that has more respect for General George and his 42 years of service, his Purple Heart, his wife, Patty, their grandkids, their kids. I adore them, and he was an amazing, transformational leader."
That kind of public praise for a general Hegseth had just removed did not go unnoticed. The Washington Examiner reported that tensions between Driscoll and Hegseth escalated after those remarks. Driscoll acknowledged the civilian chain of command, "The design of our system is that they get to pick the leaders that they want, and we execute on those orders", but his affection for George was unmistakable, and it put him on a collision course with the defense secretary.
Driscoll had also been working with Silicon Valley companies to expand the Army's drone capabilities, an effort that aligned with the administration's broader push for military modernization. His 18-month tenure was not defined by resistance to the president's agenda. It was defined by a disagreement over how that agenda should be carried out, and by whom.
The White House response was notably warm for a departing official who had just clashed with one of the president's closest cabinet members. Spokeswoman Anna Kelly said Driscoll "has been highly effective in advancing President Trump's agenda to Make America Strong Again at the Department of the Army by providing outstanding leadership during historic military operations, restoring an emphasis on readiness and lethality, assisting with negotiations between Russia and Ukraine, and more."
That statement did not address the friction with Hegseth or the circumstances of the resignation. It read like a commendation letter, not a farewell to a dissident. The disconnect between the praise and the departure raises an obvious question: if Driscoll was so effective, why is he leaving?
Driscoll himself had struck a similar tone in an April statement, saying, "Serving under President Trump has been the honor of a lifetime, and I remain laser focused on providing America with the strongest land fighting force the world has ever seen." Nothing in the record suggests Driscoll was disloyal to the president. His objection was to Hegseth's management of the Army's senior leadership, a narrower dispute, but one with wide consequences.
Hegseth's tenure has drawn scrutiny on multiple fronts. Senior military leaders have warned that Iran deployments are unsustainable and flagged risks to the homeland. His Pentagon has also faced legal setbacks, including a federal court ruling blocking new press escort rules.
The Washington Examiner reported that Sean Parnell is being considered as Driscoll's replacement. AP News noted that both Republican and Democratic lawmakers praised Driscoll's service while expressing alarm about the instability at the Pentagon. The praise was bipartisan; the worry was, too.
Driscoll's background made him an unusual figure in the Trump cabinet. A close ally of Vice President JD Vance, he attended Yale Law School with Vance after both men served in the military. He was not a holdover from a previous administration or a career bureaucrat. He was a Trump appointee, confirmed by the Senate, who believed the Army needed to modernize, and who concluded that the defense secretary was getting in the way.
Just The News reported that Driscoll's exit leaves the Pentagon without any Senate-confirmed civilian or military leaders. That is not a talking point. It is a staffing reality at the department responsible for the nation's ground forces during an active overseas deployment cycle.
Hegseth has also pushed internal policy changes that have drawn attention, including a new fitness initiative requiring testosterone screening for troops over 30. Whether those initiatives amount to genuine reform or bureaucratic churn depends on who is left to execute them, and right now, the answer is fewer confirmed leaders than at any point in recent memory.
Several facts remain unresolved. The White House has not issued a formal response to the substance of Driscoll's concerns, specifically, whether Hegseth's removal of senior generals has harmed Army readiness. Hegseth himself has not publicly addressed the accusation that he blocked transformation efforts. And no timeline has been given for nominating or confirming a successor.
The administration deserves credit for assembling a cabinet willing to challenge the Pentagon's institutional inertia. Driscoll's own record, expanding drone programs, pushing modernization, working across the private sector, shows that the Trump team picked serious people for serious jobs. But when serious people start walking out the door over how the mission is being managed, the question stops being about ideology and starts being about execution.
Winning requires generals. It also requires keeping the ones who know how to fight.