Army Spc. Christopher B. Fishbeck of Buena Park, Calif., poses for a photo on a rooftop during his tour of duty in Iraq. Courtsey of Fishbeck's Family hide caption

itoggle caption Courtsey of Fishbeck's Family

The declassified Pentagon Papers released by the National Archives and the Nixon, Kennedy and Johnson Presidential Libraries. Tamara Keith/NPR hide caption

itoggle caption Tamara Keith/NPR

Defense Secretary Robert Gates has sought to raise rates on military health insurance paid by working-age retirees. This week, he spoke to troops at Forward Operating Base Walton in Kandahar, Afghanistan. U.S. Navy/Getty Images hide caption

itoggle caption U.S. Navy/Getty Images

David Jackson (left) and Dave Petrillo of Coffee Joulies brought in more than $300,000 using Paul Agus/Courtesy of Coffee Joulies hide caption

itoggle caption Paul Agus/Courtesy of Coffee Joulies

Army Chief of Staff Gen. Martin Dempsey pauses before speaking to family members of fallen service members at a Tragedy Assistance Program for Survivors seminar. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Elizabeth Warren, assistant to the president and special adviser to the Treasury secretary on the Consumer Financial Protection Bureau, testifies before a House Oversight Committee hearing on Tuesday. Saul Loeb/AFP/Getty Images hide caption

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Brian and Jennifer Barfield met at a networking group for the unemployed. This is one of their engagement photos. Courtesy of the Barflields hide caption

itoggle caption Courtesy of the Barflields

Ads like these — from the Electronic Payments Coalition — appear in about 100 rail cars within the Washington, D.C., Metrorail system. Ryan Brooks/NPR hide caption

itoggle caption Ryan Brooks/NPR