01618nam 2200445 a 450 991069680360332120230902161636.0(CKB)5470000002382851(OCoLC)518397584(EXLCZ)99547000000238285120100217d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNASA[electronic resource] Constellation Program cost and schedule will remain uncertain until a sound business case is established : report to the Chairman, Committee on Science and Technology, House of Representatives[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (i, 27 pages) illustrationsTitle from PDF title screen (GAO, viewed Feb. 3, 2010)."August 2009.""GAO-09-844."Includes bibliographical references.NASA Space flight to the moonEvaluationSpace vehiclesLandingMoonLunar surface vehiclesEvaluationSpace sciencesMoonExplorationResearchSpace flight to the moonEvaluation.Space vehiclesLandingLunar surface vehiclesEvaluation.Space sciences.United States.Congress.House.Committee on Science and Technology.GPOGPOBOOK9910696803603321NASA2959247UNINA