Illinois Senator Tammy Duckworth's announcement followed a heated exchange with Pete Hegseth during his confirmation hearing earlier this week.

Donald Trump’s controversial nominee could soon be confirmed by Republicans to lead the Department of Defense.

Sen. Tammy Duckworth, a former Blackhawk pilot, talked with CBS News' Nikole Killion about the midair collision of a plane and Blackhawk helicopter.

The 44-year-old veteran and former Fox News host was sworn into office Saturday after facing allegations of sexual misconduct, misogynistic and racist comments, and mismanaged finances at two organizations.

Pete Hegseth is closer to Senate confirmation as Trump's Defense secretary despite controversy and allegations of serious impropriety.

Both U.S. senators representing Illinois slammed the confirmation of Pete Hegseth to be the new defense secretary.

Pete Hegseth, Donald Trump's pick to lead the Pentagon, said women shouldn't serve in combat roles in the military before he walked his comments back.

Senator Tammy Duckworth (D-IL), who is a member of the Armed Services Committee, the Veterans’ Affairs Committee and the Committee on Foreign Relations, joins Katy Tur to provide insight on Pete Hegseth’s stalled confirmation and the new allegations that have surfaced against him.

Both of Illinois' Democratic senators, Dick Durbin and Tammy Duckworth, voted against Hegseth's confirmation, calling him unqualified for the role.

As the investigation into a deadly plane crash in Washington, D.C., gets underway, U.S. Sen. Tammy Duckworth (D-Illinois), a former U.S. Army Black Hawk pilot, will be looking into what happened as ranking member of the Aviation Safety Subcommittee of the Senate Committee on Commerce,

President Donald Trump's unconventional pick for Army secretary, Dan Driscoll, appeared poised for a smooth confirmation after a Senate hearing Thursday with little Democrat pushback.

President Donald Trump and his nominee for Army secretary fielded questions about a fatal collision between a Black Hawk and a passenger jet.