01625nam 2200409 a 450 991070090000332120110727120347.0(CKB)5470000002412012(OCoLC)743076043(EXLCZ)99547000000241201220110727d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMaritime security[electronic resource] DHS progress and challenges in key areas of port security : testimony before the Committee on Commerce, Science, and Transportation, U.S. Senate /statement of Stephen L. Caldwell[Washington, D.C.] :U.S. Govt. Accountability Office,[2010]1 online resource (17 pages)Testimony ;GAO-10-940TTitle from PDF title screen (GAO, viewed July 21, 2011)."For release ... July 21, 2011."Includes bibliographical references.Maritime security Ports of entrySecurity measuresUnited StatesTerrorismPreventionGovernment policyUnited StatesPorts of entrySecurity measuresTerrorismPreventionGovernment policyCaldwell Stephen L1381588United States.Congress.Senate.Committee on Commerce, Science, and Transportation.United States.Government Accountability Office.GPOGPOBOOK9910700900003321Maritime security3429205UNINA