01179nam 2200361 450 991070981030332120180815084443.0(CKB)5470000002474158(OCoLC)1048595410(EXLCZ)99547000000247415820180815d2018 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierPresidential helicopter VH-92A program is stable and making progress while facing challenges : report to congressional committees[Washington, D.C.] :United States Government Accountability Office,2018.1 online resource (ii, 15 pages) illustrations"April 2018.""GAO-18-359."Includes bibliographical references.Presidential helicopter HelicoptersPublic contractsUnited StatesManagementHelicopters.Public contractsManagement.GPOGPOBOOK9910709810303321Presidential helicopter3501217UNINA