权威例句
DEPARTMENT OF HOMELAND SECURITYDepartment of Homeland SecurityDEPARTMENT OF HOMELAND SECURITYU.S. Department of Homeland SecurityThe Department of Homeland SecurityThe Department of Homeland Security's Risk Assessment Methodology: Evolution, Issues, and Options for CongressCRS Report for Congress: The Department of Homeland Security's Risk Assessment Methodology: Evolution, Issues, and Options for Congr...Department of Homeland Security: GAO-08-263Review of the Department of Homeland Security's Approach to Risk AnalysisDepartment of Homeland Security's Risk Assessment Methodology: Evolution, Issues, and Options for Congress [February 2, 2007]