The new administration does not yet have a confirmed defense secretary, attorney general or solicitor general in place.

Just 15 men remain at the prison, down from hundreds when it opened 23 years ago. But the costly operation could go on for years.

A three-judge appeals panel will decide whether the plea deal Khalid Shaikh Mohammed reached to avoid a death-penalty trial remains valid.

The Bay Area politician, known for her antiwar position and breaking barriers in Congress, just left the House after more than two decades.

Justice Department lawyers are defending the defense secretary’s decision to back out of the agreement that avoided a death penalty trial, moving the question from military to civilian courts.

The secret mission left the smallest number of prisoners at Guantánamo Bay since the day the detention center opened in 2002.

A judge cited winter weather and a federal holiday for Jimmy Carter’s funeral as reasons for the delay. Government lawyers may also try again to overturn the plea deal.

The three-judge decision appeared, at least for now, to put plea proceedings for Khalid Shaikh Mohammed and two others back on track to take place in early January at Guantánamo Bay.

The prisoner, who was repatriated to Tunisia, was never charged. His transfer is part of a Biden administration push to further reduce the dwindling detainee population at the wartime prison.