Soldiers from the 36th Infantry Division deployed to Afghanistan to help train and advise that country's military. The top U.S. commander in Afghanistan says thousands more such troops are needed there. Maj. Randall Stillinger/U.S. Army hide caption

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Maj. Randall Stillinger/U.S. Army

Director of National Intelligence James Clapper (center) talks with National Security Agency and Cyber Command chief Adm. Michael Rogers prior to testifying before the Senate Armed Services Committee. Evan Vucci/AP hide caption

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Evan Vucci/AP