02099nam 2200469 a 450 991069532930332120061019151141.0(CKB)5470000002369460(OCoLC)73723222(EXLCZ)99547000000236946020061019d2006 ua 0engurmn|---|||||txtrdacontentcrdamediacrrdacarrierNext Generation Air Transportation System[electronic resource] preliminary analysis of progress and challenges associated with the transformation of the National Airspace System : testimony before the Subcommittee on Aviation, Committee on Commerce, Science, and Transportation, U.S. Senate /statement of Gerald L. Dillingham[Washington, D.C.] :U.S. Government Accountability Office,[2006]20 pages digital, PDF fileTestimony ;GAO-06-915 TTitle from title screen (viewed on Oct. 12, 2006)."For release ... July 25, 2006."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.Includes bibliographical references.Next Generation Air Transportation System Aeronautics and stateUnited StatesNational Airspace System (U.S.)Air traffic controlUnited StatesAeronautics, CommercialUnited StatesManagementAeronautics and stateNational Airspace System (U.S.)Air traffic controlAeronautics, CommercialManagement.Dillingham Gerald Lee1947-1381675United States.Congress.Senate.Committee on Commerce, Science, and Transportation.Subcommittee on Aviation.United States.Government Accountability Office.GPOGPOBOOK9910695329303321Next Generation Air Transportation System3424961UNINA