01858nam 2200421 a 450 991069665040332120080609165248.0(CKB)5470000002380358(OCoLC)231433639(EXLCZ)99547000000238035820080609d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierTransportation security[electronic resource] Transportation Security Administration has strengthened planning to guide investments in key aviation and surface transportation security program, but more work remains : testimony before the Committee on Commerce, Science, and Transportation, U.S. Senate /statement of Cathleen A. Berrick[Washington, D.C.] :U.S. Govt. Accountability Office,[2008]42 pages digital, PDF fileTestimony ;GAO-08-487 TTitle from title screen (viewed on June 3, 2008)."For release ... May 13, 2008."Paper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.Transportation security TransportationLaw and legislationUnited StatesAeronauticsSecurity measuresUnited StatesTransportationLaw and legislationAeronauticsSecurity measuresBerrick Cathleen A1381679United States.Congress.Senate.Committee on Commerce, Science, and Transportation.United States.Government Accountability Office.GPOGPOBOOK9910696650403321Transportation security3440616UNINA