01864nam 2200433 a 450 991069695560332120230902162029.0(CKB)5470000002383335(OCoLC)549167825(EXLCZ)99547000000238333520100309d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierHomeland security[electronic resource] DHS's progress and challenges in key areas of maritime, aviation, and cybersecurity : statement before the Committee on Commerce, Science, and Transportation, U.S. Senate /statement for the Record Cathleen A. Berrick[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (21 pages)Title from PDF title screen (GAO, viewed Mar. 3, 2010)."For release ... December 2, 2009.""GAO-10-106."Includes bibliographical references.Homeland security National securityUnited StatesPorts of entrySecurity measuresGovernment policyUnited StatesAeronautics, CommercialSecurity measuresGovernment policyUnited StatesComputer networksSecurity measuresGovernment policyUnited StatesNational securityPorts of entrySecurity measuresGovernment policyAeronautics, CommercialSecurity measuresGovernment policyComputer networksSecurity measuresGovernment policyUnited States.Congress.Senate.Committee on Commerce, Science, and Transportation.GPOGPOBOOK9910696955603321Homeland Security1686681UNINA