02070oam 2200505 a 450 991069895910332120090630102036.0(CKB)5470000002398284(OCoLC)318646111(EXLCZ)99547000000239828420090417d2009 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierMaritime security[electronic resource] vessel tracking systems provide key information, but the need for duplicate data should be reviewed : report to the Committee on Homeland Security, House of Representatives[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]ii, 53 pages digital, PDF fileTitle from title screen (viewed on Apr. 17, 2009)."March 2009.""GAO-09-337."Includes bibliographical references.This report addresses: the extent to which the Coast Guard (1) has vessel tracking systems in place, (2) can use these systems to track vessels that may be threats, and (3) has coordinated the development and implementation of these systems.Maritime security HarborsSecurity measuresUnited StatesNational securityUnited StatesRemote sensingTerrorismUnited StatesPreventionShipsRemote sensingShippingSecurity measuresUnited StatesElectronic surveillanceUnited StatesHarborsSecurity measuresNational securityRemote sensing.TerrorismPrevention.ShipsRemote sensing.ShippingSecurity measuresElectronic surveillanceUnited States.Congress.House.Committee on Homeland Security.DIDDIDGPOBOOK9910698959103321Maritime security2739823UNINA