DHS's Science and Technology Directorate : is it structured for success : hearing before the Subcommittee on Emergency Preparedness, Science, and Technology of the Committee on Homeland Security, House of Representatives, One Hundred Ninth Congress, second session, September 7, 2006.

United States.
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Annen tittel	DHS's Science and Technology Directorate
Emner	United States. . Department of Homeland Security. . Science and Technology Directorate - Management. National security - Technological innovations - Evaluation. - United States