Pentagon spokesman and senior advisor Sean Parnell is struggling to secure enough support for Senate confirmation as Army secretary, facing resistance from both Democrats and key Republicans.

Defense Secretary Pete Hegseth has championed Parnell, a decorated Afghanistan war veteran who has served as his chief spokesman and faithful enforcer of his agenda at the Pentagon.

Parnell has not yet been formally nominated by President Donald Trump, but a congressional aide and former Senate Armed Services Committee staffer said he currently lacks sufficient support to advance out of the committee.

Democrats are broadly opposed to confirming any Trump pick for the role given wider tensions over Hegseth’s leadership and the administration’s national security policies, leaving Republicans with almost no room to lose votes.

That threshold appears already breached, with Sen. Thom Tillis (R-North Carolina) publicly declaring he would vote against Parnell, citing concerns about independence and experience within the Pentagon.

“I feel like we need less of an echo chamber” at the Pentagon, said Tillis, who is retiring after his second term ends in January and has become one of Hegseth’s most outspoken Republican critics.

“If we’re going to have to have Hegseth in this role, I’d at least like to have more people around him that are going to be more independent and look around corners,” Tillis said, adding that he does not see Parnell doing that.

Republican Sen. Kevin Cramer of North Dakota has also rejected the idea, telling The Washington Sun that Parnell’s record, particularly allegations of spousal abuse, represented “a bridge too far for the vast majority of people.”

Parnell has denied the abuse allegations, which first surfaced during his 2021 Senate campaign in Pennsylvania and involved claims made by his estranged wife, Laurie Snell, concerning harm to her and their children.

“It’s just simply not feasible,” a Senate Republican aide familiar with GOP lawmakers’ thinking told the Sun, adding bluntly that “everyone knows the backing just isn’t there.”

The Army secretary position became vacant after Dan Driscoll resigned at the end of August following months of tensions with Hegseth over repeated purges of senior military officials perceived as disloyal to the MAGA cause.

Adam Telle, the assistant secretary of the Army for civil works, was appointed acting Army secretary four days after Driscoll’s resignation and maintains contacts with lawmakers from both parties.

Senate Armed Services Committee Chairman Roger Wicker said he had not counted votes on Parnell’s confirmation prospects and declined to comment before a formal nomination was made.

The committee’s senior Democratic member, Sen. Richard Blumenthal, said he doubts Parnell could be confirmed, adding another layer of skepticism around the prospective nomination.

Parnell does retain some Republican support, with Sen. Dave McCormick (R-Pennsylvania) calling him “a good friend, a decorated combat veteran, a true patriot, and a fellow Pennsylvanian” and expressing full confidence in him.

Sen. Tim Sheehy (R-Montana), a Senate Armed Services Committee member and former Navy SEAL, also voiced support, saying Parnell “has been doing a tremendous job alongside” Hegseth at the Pentagon.

The field of potential candidates for the role includes Marc Andersen, an assistant secretary of the Army, Derrick Anderson, an assistant secretary of Defense, and Rep. Brian Mast (R-Florida), an Army veteran who chairs the House Foreign Affairs Committee.

Sources in and around the Pentagon consider Andersen a possible dark-horse contender, with his candidacy gaining quiet attention among those tracking the nomination process closely.