A carry team at Dover Air Force Base trains on the proper protocol for a dignified transfer. Ariel Zambelich/NPR hide caption

itoggle caption Ariel Zambelich/NPR

Former Defense Secretary Robert Gates at the Boy Scouts of America's annual meeting in 2014. "There's no certainty about any of this," he says of the situation in Iraq. Mark Zaleski/AP hide caption

itoggle caption Mark Zaleski/AP

The State Department is releasing 296 emails from Hillary Clinton's email account during her tenure as secretary of state. The correspondence relates to the attack on the U.S. consulate in Benghazi, Libya. M. Spencer Green/AP hide caption

itoggle caption M. Spencer Green/AP

In an image from Senate video, presidential candidate Sen. Rand Paul speaks on the floor of the U.S. Senate Wednesday afternoon at the start of an almost 11-hour speech opposing renewal of the Patriot Act. AP hide caption

itoggle caption AP