Check out these National Security images:

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Image by JIEDDO
Afghan National Army and International Security Assistance Forces soldiers found hundreds of Taliban weapons, ammunition, artillery and improvised explosive device-making material in Marawara District during Operation Strong Eagle III in eastern Afghanistan’s Kunar province March 29. Afghan national security forces worked closely with coalition forces from 2nd Battalion, 327th Infantry Regiment, 1st Brigade Combat Team, 101st Airborne Division, Task Force Bastogne. (Photo by U.S. Army Pfc. Cameron Boyd, 982nd Combat Camera)

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Image by Marion Doss
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PASCAGOULA, Miss. (March 29, 2005)- Secretary of Homeland Security Michael Chertoff speaks at a keel-laying ceremony for the Coast Guard’s first national security cutter. The ceremony involved Chertoff’s wife Meryl (at left), the cutter’s sponsor, inscribing her initials on a placard to be displayed aboard the cutter.
The ceremony to authenticate the keel confirms the keel is "truly and fairly laid" for the first ship of this class of highly-capable, technologically-advanced, multi-mission cutters for the Coast Guard and Department of Homeland Security.
Northrop Grumman Corporation is building the ship under a contract from Integrated Coast Guard Systems LLP, a joint venture of Northrop Grumman and Lockheed Martin.
(U.S. Coast Guard photograph by Petty Officer 2nd Class Kyle Niemi)

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Image by isafmedia
Members of the Afghan National Security Forces visit a shop to speak to locals about possible insurgent activity within the village of Talawka, Konduz province, Afghanistan, Oct. 5, 2010. (U.S. Army photo by Sgt. Justin P. Morelli / Released)