Transportation Security Administration screeners check passengers at Hartsfield-Jackson Atlanta International Airport in Atlanta last month. The TSA was created after the Sept. 11, 2001, terrorist attacks.
Erik S. Lesser/AP
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"There are so many questions and so little answers while you're [in Afghanistan]," says Dominic "Dom" Fredianelli.
Heather Courtney/Quincy Hill Films
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Pfc. Natan Martinez fires a machine gun from a position near the Pakistan border in Afghanistan. There is concern in Pakistan about the U.S. preserving a security presence in Afghanistan beyond 2014, the deadline to pull out most if not all U.S. combat troops.
David Gilkey/NPR
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Men pray at the Islamic Center of Murfreesboro. The congregation wants to build a bigger mosque to worship in, but has faced stiff opposition from citizens who fear the local Muslims have a political agenda.
Debbie Elliott/NPR
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