Sen. Mark Kelly doubled down on his defense of his encouragement of service members to reject "illegal orders" as he faces a formal review into allegations of misconduct, telling Jimmy Kimmel, "I'm not backing down.

In an appearance on “Jimmy Kimmel Live,” Sen. Mark Kelly, D-Ariz. blasted Defense Secretary Pete Hegseth, calling him unqualified and saying he just wants to please President Donald Trump.

Secretary of War Pete Hegseth slammed a post that Sen. Mark Kelly made about his service, saying that, "your medals are out of order and rows reversed."

The Pentagon has opened a probe into “serious allegations of misconduct” against Sen. Mark Kelly that could result in “recall to active duty for court-martial proceedings,” just days after President Trump accused him of seditious behavior.

The Defense secretary's comments mocking the retired U.S. Navy captain come after the Pentagon said it had "received serious allegations of misconduct" against Kelly -- days after President Donald Trump accused the Arizona senator and other Democratic lawmakers of "seditious behavior" for the video.

Former military members referred to the secretary of defense as "a blowhard," "a complete jackass" and "a total blue falcon."