Former Republican Rep. Liz Cheney on Monday speculated on why Sen. Tommy Tuberville’s blockade of military promotions is continuing into its 10th month.

Cheney, speaking to NPR’s “Morning Edition,” is promoting her new book, “Oath and Honor: A Memoir and a Warning,” a memoir of her time in Congress dealing with the Republican party’s response to President Donald Trump’s efforts to stay in office after losing the 2020 presidential race, and the Jan. 6, 2021 Capitol riot.

Cheney, who lost a re-election bid, said there would be no restraining factors on Trump, should he win another term in 2024.

“You will not be able to count on, you know, a House of Representatives led by (Speaker of the House) Mike Johnson, and full of individuals who have already pledged allegiance to Donald Trump,” Cheney said.

“They won’t restrain him. United States Senate, with people like Mike Lee, Rand Paul, they won’t restrain him. Tommy Tuberville, holding nominations for the most senior positions at the Pentagon.”

Cheney went on to speculate about a reason for Tuberville’s hold on promotions.

“Why is Tommy Tuberville doing that?” she said. “It’s causing great damage to this nation’s military readiness. Is he holding those positions open so that Donald Trump can fill them? What’s he doing? It’s certainly not serving the purposes of the United States of America.”

Tuberville began the hold back in February, in response to the Pentagon’s policy allowing travel expenses for military members to states where abortion is legal. Tuberville has made several comments over the last few weeks about possible ways to end the blockade, which affects more than 300 promotions.

Efforts to reach Tuberville’s office for comment were not immediately successful.

Cheney credited a handful of Republicans in state and federal offices from stopping “the worst of what could have happened.” But she cautions that many of those people won’t be there should Trump once again take office.