WASHINGTON - Department of Homeland Security Secretary Janet Napolitano takes part in the Department of Homeland Security's Sept. 11th Tenth Anniversary Commemoration at the Ronald Reagan Building in Washington Sept 9, 2011. Napolitano thanked the men and women of DHS for their efforts to prevent acts of terror against the United States. U.S. Coast Guard Photo by Petty Officer 2nd Class Patrick Kelley.
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