01343oam 2200385 450 991070513490332120140306150426.0(CKB)5470000002448009(OCoLC)868830836(EXLCZ)99547000000244800920140122d2013 ua 0engurmn|||||||||rdacontentrdamediardacarrierGlobal Positioning System a comprehensive assessment of potential options and related costs is needed : report to congressional committees[Washington, D.C.] :United States Government Accountability Office,2013.1 online resource (ii, 30 pages) illustrationsTitle from title screen (viewed Mar. 6, 2014)."September 2013.""GAO-13-729."Includes bibliographical references.Global Positioning System Global Positioning SystemArtificial satellites in navigationGovernment policyUnited StatesGlobal Positioning System.Artificial satellites in navigationGovernment policyFERFERGPOBOOK9910705134903321Global positioning system55700UNINA