Sen. Susan Collins used her opening statement at a Senate Appropriations Committee hearing Tuesday to publicly challenge Defense Secretary Pete Hegseth's removal of more than two dozen senior military officers, a rare rebuke from a Republican committee chair that signals growing bipartisan unease over the Pentagon shake-up.
Collins, who chairs the powerful spending panel, told Hegseth she found the pattern of firings, blocked promotions, and direct intervention in officer assignments "deeply troubling." The Maine Republican singled out the February 2025 dismissal of Adm. Lisa Franchetti, the first woman to lead the Navy, and the firings of Gen. Randy George, the former Army Chief of Staff, and Gen. Chris Donahue, who commanded U.S. Army Europe and Africa.
The confrontation landed as lawmakers in both parties have grown increasingly vocal about the scope and pace of Hegseth's personnel decisions at the Pentagon. Collins is not the only Republican raising concerns, Rep. Don Bacon has broken with Hegseth over what Bacon called wholesale firings that have damaged the department.
Collins anchored her criticism in the oath every officer takes. The Hill reported that Collins told the hearing:
"These are men and women who volunteered to serve our country and swore an oath to support and defend our Constitution."
She went further, warning that the removals risk discouraging qualified Americans from pursuing military careers. Collins also cited news reports suggesting that women and people of color have been disproportionately affected by the firings and sidelined assignments, though she attributed that claim to reporting rather than presenting it as her own independent finding.
Her sharpest line drew a direct connection between the officer purge and the long-term health of the armed forces:
"The United States military is one of the greatest meritocracies in the free world. We need to make sure that it stays that way."
Hegseth has not publicly responded to Collins's remarks, and the Pentagon's stated justifications for removing each of the named officers remain unclear from the hearing coverage. That silence leaves a gap, one Congress is now moving to fill legislatively.
Last month, the House Armed Services Committee adopted a provision in the annual National Defense Authorization Act, the yearly defense policy bill, that would require the Pentagon to tell Congress why senior military officers were fired or dismissed within five days of the action. The measure passed by bipartisan voice vote without a single objection.
Whether the provision survives the full legislative process remains an open question. The committee vote is only the first step; the full House and Senate have not yet acted on the broader bill. But the unanimous committee support, in a Congress where bipartisan agreement on anything is rare, suggests that frustration with Hegseth's approach extends well beyond Collins's opening statement.
Hegseth has also blocked promotions across three service branches, though the specific branches were not identified during the hearing. Combined with his direct intervention in several senior officers' assignments, the pattern amounts to a sweeping assertion of civilian control over military personnel decisions, one that even allies in Congress have questioned.
Sen. Thom Tillis has also challenged Hegseth over the forced removal of top generals and a European troop drawdown, adding another Republican voice to the growing chorus of dissent.
The scale of the personnel changes is striking. More than two dozen senior officers have been removed since Hegseth took the helm at the Pentagon. The three highest-profile firings, Franchetti, George, and Donahue, span the Navy, the Army, and the European command structure, covering some of the most consequential posts in the American military.
Franchetti's dismissal in February 2025 drew particular attention because she was the first woman to serve as the Navy's top officer. George led the Army as Chief of Staff. Donahue oversaw all U.S. Army operations across Europe and Africa, a command that has taken on heightened importance given ongoing security challenges on the continent. His departure is part of a broader pattern; the top Army general in Europe recently stepped down as Hegseth moved to downgrade that command.
Collins is running in a competitive reelection race in Maine, which her critics will note. But the substance of her complaint, that mass firings without transparent justification undermine the military's ability to attract and retain talent, is not a partisan argument. It is a readiness argument. And it is one that Republicans on the House Armed Services Committee evidently share, given the unanimous vote on the notification provision.
The political backdrop around Hegseth has grown more complicated on multiple fronts. Reports have surfaced that President Trump has considered changes to his own national security team, adding uncertainty to Hegseth's standing.
What remains missing from this story is any detailed, on-the-record explanation from Hegseth or the Pentagon about why each officer was removed. Were there performance failures? Policy disagreements? Insubordination? The public does not know, and neither, apparently, does Congress, which is precisely why lawmakers are writing notification requirements into law.
A Defense Secretary has every right to shape his leadership team. Civilian control of the military is a constitutional principle, not a bureaucratic courtesy. But exercising that authority without offering Congress or the public a clear rationale invites exactly the kind of scrutiny Collins delivered Tuesday.
Accountability works in both directions. If these officers failed in their duties, say so. If they were removed for other reasons, the men and women still serving deserve to know what standard they are being held to, and so do the Americans whose security depends on a military led by the best officers the country can produce, not the most politically convenient ones.