Trump Nominates Markwayne Mullin as DHS Secretary Amid Military Service Questions

Senator Markwayne Mullin's confirmation hearing to lead the Department of Homeland Security was supposed to be a formality — a sitting senator with strong Republican support gliding toward a Cabinet post. Instead, the March 18 hearing before the Senate Homeland Security Committee became a spectacle of personal grudges, unresolved questions about the nominee's past, and sharp policy disagreements over the future of immigration enforcement in America.

The Oklahoma Republican's path to the DHS secretary role was cleared when President Trump fired Kristi Noem on March 5, making her the first Cabinet secretary to leave during his second term [1]. Mullin was announced as her replacement the same day, with Trump declaring on Truth Social that his nominee would "Keep our Border Secure, Stop Migrant Crime" and "MAKE AMERICA SAFE AGAIN" [2].

But what was expected to be a smooth confirmation process has instead exposed two vulnerabilities that Mullin's allies did not anticipate: a bitter personal feud with the very senator who controls his nomination, and a pattern of vague, unverifiable claims about war zone experience that critics say amounts to "implied valor."

The Rand Paul Problem

The hearing opened not with policy questions but with a remarkable personal confrontation between Mullin and Senator Rand Paul of Kentucky, the Republican chairman of the Homeland Security Committee [3].

Paul used his opening statement to confront Mullin over reports that the nominee had called him a "freaking snake" and said he "completely" understood why a neighbor had assaulted Paul in 2017 — an attack that left the Kentucky senator with six broken ribs [4]. "Tell me to my face why you think I deserved it," Paul demanded, setting a combative tone that persisted throughout the hearing [3].

Mullin did not deny the remarks. "I did not say I supported it. I said I understood it," he replied, before accusing Paul of engaging in "character assassination" rather than substantive questioning [4]. "It seems like you fight Republicans more than you work with us. We just don't get along, however, sir, that doesn't keep me at all from doing my job," Mullin said [3].

The clash was not entirely surprising. Mullin has a well-documented history of physical confrontations and threats. In 2023, he nearly came to blows with Teamsters president Sean O'Brien during a Senate hearing, standing up and challenging the labor leader to fight — an incident that, paradoxically, led to a friendship between the two men [2]. Paul questioned whether someone with what he called "anger issues" should lead a department already under scrutiny for its use-of-force protocols [4].

Paul also blocked fellow Republican Senator Katie Britt from introducing Mullin at the hearing, a break from the collegial custom that typically accompanies Cabinet nominations [5]. Despite the fireworks, the committee indicated it could vote to advance Mullin's nomination as early as March 19.

The "Smell of War" Controversy

The more consequential challenge to Mullin's nomination may be the escalating questions about his claims of war zone experience. The controversy erupted on March 2, when Mullin appeared on Fox News to discuss the ongoing U.S.-Israeli military campaign against Iran and offered a strikingly personal description of combat.

"War is ugly, it smells bad, and if anybody's ever been there, and been able to smell the war that's happened around you and taste it and feel it in your nostrils and hear it, it's something that you'll never forget and it's ugly," Mullin said [6].

The problem: Markwayne Mullin has never served in the military. His official Senate biography identifies him as a businessman, rancher, and former professional mixed martial arts fighter [7]. He attended Missouri Valley College on a wrestling scholarship before leaving to save his family's plumbing business, eventually building Mullin Plumbing into one of the largest service companies in Oklahoma [2].

Representative Pat Ryan, a Democrat and actual Iraq War combat veteran, was among the first to publicly challenge Mullin. The criticism quickly spread, with commentators accusing the senator of what one retired Army officer and senior fellow at the Center for a New American Security called "implied valor" — fostering a perception of military or intelligence involvement without explicitly claiming it [6].

Source: GDELT Project

Data as of Mar 18, 2026CSV

Shifting Explanations

Mullin's explanations have evolved over time, raising more questions than they answer.

After the initial Fox News backlash, Mullin clarified on a podcast: "I did special assignments outside of DOD... I never wore the uniform or the flag on my shirt. I've been in the same area, but the guys that signed the contract — I got to work alongside of those guys" [6].

According to Axios, Mullin has privately told colleagues he was involved in dangerous private security work in Middle East war zones before running for Congress in 2012. However, there is no public record of Mullin — whose professional background centers on plumbing, ranching, and MMA fighting — doing the kind of security work he has alluded to in private [8].

At the confirmation hearing itself, the claims grew more specific and more difficult to verify. Mullin told senators he had been asked to train with a "very small contingency" around 2016 and participated in SERE (Survival, Evasion, Resistance, and Escape) training — a military program designed to prepare personnel for capture behind enemy lines. He described the training as both "kind of fun" and "absolutely awful" [8].

Both Paul and Democratic Senator Gary Peters pressed Mullin about undisclosed classified travel from 2015-2016 that did not appear in his FBI nomination paperwork [4]. Peters questioned Mullin about "several confusing public statements suggesting he was involved in combat overseas despite never having enlisted" [6].

Poynter's fact-checkers noted that Mullin's most verifiable brush with conflict zones was his 2021 Afghanistan rescue effort, when as a House member he attempted to hire a helicopter using personal funds after the Kabul airport bombing that killed 13 U.S. service members. The Pentagon denied his request to visit [6]. In earlier Senate testimony in April 2025, Mullin had stated he had "the privilege of serving the nation in Afghanistan" — phrasing that Poynter noted was designed to suggest military service, though his involvement was civilian and unofficial [6].

Why Noem Was Fired

Mullin's nomination exists because of the dramatic collapse of Kristi Noem's tenure as DHS secretary. Trump fired Noem on March 5 after what NBC News described as "a culmination of her many unfortunate leadership failures" [1].

The immediate trigger was Noem's performance at congressional hearings, where she told the Senate Judiciary Committee that Trump had personally approved a $220 million taxpayer-funded ad campaign about DHS immigration enforcement. The White House flatly denied the claim, with an official stating: "POTUS did not sign off on a $220 MILLION dollar ad campaign. Absolutely not" [1].

Noem's troubles also included the fallout from the fatal shootings of two U.S. citizens by federal officers during immigration operations in Minneapolis — an incident that became a flashpoint in the national debate over immigration enforcement and contributed to the DHS funding lapse that began on February 13 [1][9].

A Department in Crisis

Whoever leads DHS next will inherit an agency under extraordinary strain. The department has been operating without Congressional funding since mid-February, as Democrats have refused to appropriate money for DHS until they secure reforms to immigration enforcement tactics [9]. The funding lapse has caused airport delays and raised questions about TSA staffing and readiness.

At the hearing, Mullin struck a notably different tone from Noem on some enforcement questions. He told senators he would require judicial warrants before ICE agents enter homes and businesses — a significant departure from the more aggressive posture that characterized Noem's tenure [10]. He also proposed reimagining ICE as more of a "transport" agency rather than a "front line" enforcement body [4].

Mullin also used the hearing to apologize for prematurely calling Alex Pretti — a Minnesota resident killed by DHS agents — a "deranged individual," acknowledging: "I went out there too fast. I was responding immediately without the facts" [4].

On broader security matters, Mullin faces a DHS that is simultaneously managing the domestic implications of the U.S.-Israeli war against Iran, ongoing border enforcement operations, cybersecurity threats, and the sprawling bureaucracy of an agency that encompasses everything from the Secret Service to FEMA to the Coast Guard.

Confirmation Outlook

Despite the hearing's theatrics, Mullin remains on a clear path to confirmation. Republicans hold 53 Senate seats, and Mullin needs only a simple majority of 50 [3]. Senate Majority Leader John Thune has expressed optimism that Mullin may even attract some Democratic support, though most Democrats appear unlikely to vote for a nominee aligned with Trump's immigration enforcement agenda [9].

Mullin's personal relationships in the Senate — ironic given the Paul confrontation — are generally seen as an asset. Senators have historically shown deference to colleagues nominated for Cabinet positions, and Mullin's background as a Cherokee Nation citizen, the first Native American senator since Ben Nighthorse Campbell retired in 2005, has earned him goodwill across party lines [2].

If confirmed, Mullin's departure from the Senate would trigger an appointment by Oklahoma Governor Kevin Stitt to fill the seat through January 2027, maintaining the Republican majority [2].

The Larger Pattern

The Mullin nomination fits a broader pattern in the Trump administration's second term: Cabinet turnover driven by loyalty failures, replacements drawn from Trump's congressional allies, and confirmation processes that test the boundaries of Senate collegiality.

Mullin is, by most accounts, a Trump loyalist who voted against certifying the 2020 election results and physically helped barricade Capitol doors during the January 6 attack [2]. He has defended Trump's immigration enforcement operations and the military strikes against Iran. Whether his loyalty, Senate relationships, and policy positions will be enough to overcome the questions about his war zone claims and his temperament remains to be seen — though with 53 Republican votes available, the math strongly favors confirmation.

The deeper question is whether the stolen valor controversy will follow Mullin into the DHS secretary role, where credibility with the military, intelligence community, and law enforcement agencies under DHS's umbrella is not merely a political asset but a functional necessity.