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Assessment of checkpoint security : are our airports keeping passengers safe? : hearing before the S

United States. Congress. House. Committee on Homeland Security. Subcommittee on Transportation Security and Infrastructure Protection.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011. 2011

The Department of Homeland Security's Science and Technology Directorate : hearing before the Subcom

United States. Congress. House. Committee on Homeland Security. Subcommittee on Emerging Threats, Cybersecurity, and Science and Technology.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011. 2010

Developing research priorities at DHS's Science and Technology Directorate : hearing before the Subc

United States. Congress. House. Committee on Science and Technology (2007). Subcommittee on Technology and Innovation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010. 2010

The DHS and DOE national labs finding efficiencies and optimizing outputs in homeland security resea

United States. Congress. House. Committee on Homeland Security. Subcommittee on Cybersecurity, Infrastructure Protection, and Security Technologies, author.
Washington : U.S. Government Printing Office, 2013. 2013

The DHS S&T Directorate: selected issues for Congress

Shea, Dana A., author.
[Washington, D.C.] : Congressional Research Service, [2018?]- 2018

DHS Science and Technology additional steps needed to ensure test and evaluation requirements are me

United States. Government Accountability Office.
[Washington, D.C.] : U.S. Govt. Accountability Office, [2011] 2011