David Welna David Welna is NPR's national security correspondent.

Air War In Yemen May Come At The Expense of Coalition Against ISIS

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Sgt. Bowe Bergdahl prepares to be interviewed by Army investigators in August 2014. Eugene R. Fidell/AP hide caption

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Eugene R. Fidell/AP

Hearing Set For Army Sgt. Bowe Bergdahl After Desertion Charges Filed

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U.S. Military Charges Sgt. Bowe Bergdahl With Desertion

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U.S. Weighs Its Responsibility When Afghan Forces Commit Abuses

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Fighters from the Free Syrian Army and the Kurdish People's Protection Units battle ISIS militants in Kobani, Syria, in November. U.S. officials haven't said whether they will defend the forces if they are attacked by Bashar al-Assad. Jake Simkin/AP hide caption

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Jake Simkin/AP

Syrian Rebels Will Face ISIS, But The U.S. May Not Have Their Backs

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House Panel Questions Gen. Campbell About Readiness Of Afghan Force

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Relatives of victims of the Sept. 11 attacks are periodically flown down to Guantanamo Bay, Cuba, to witness court proceedings against five men accused of plotting the attacks. For the witnesses of the most recent court session, the experience raised questions about justice, humanity and the ethics of the death penalty. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

Families Of Sept. 11 Victims Watch Guantanamo Hearings With Mixed Feelings

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The legal case of the alleged Sept. 11 terrorists is slowly grinding its way through a war court at the U.S. naval base in Guantanamo Bay, Cuba. Joe Raedle/Getty Images hide caption

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'No End In Sight' For Sept. 11 Proceedings At Guantanamo Bay

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The Strange World Of Guantanamo Bay's War Court

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Defense attorneys for terrorism suspects at Guantanamo Bay, Cuba, are now allowed to introduce details regarding their clients' interrogations after the so-called "torture report" was released by the Senate Intelligence Committee late last year. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images

'Torture Report' Reshapes Conversation In Guantanamo Courtroom

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Gitmo Translator's Past At CIA Throws Wrench In Sept. 11 Trial

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Gitmo Trial For Sept. 11 Suspects Resumes — Then Abruptly Halted

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Senate Hearing Learns Of No Clear Plan To Close Guantanamo

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Secretary Of Defense Nominee Appears Headed For Easy Confirmation

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