01284nam 2200373 a 450 991070197140332120120711081450.0(CKB)5470000002422402(OCoLC)798807628(EXLCZ)99547000000242240220120711d2012 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierBorder security[electronic resource] opportunities exist to ensure more effective use of DHS's air and marine assets : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2012]1 online resource (iii, 87 pages) color illustrations, color mapsTitle from PDF title screen (viewed July 10, 2012)."March 2012.""GAO-12-518."Includes bibliographical references.Border security National securityUnited StatesEvaluationBorder patrolsUnited StatesNational securityEvaluation.Border patrolsGPOGPOBOOK9910701971403321Border security3423087UNINA