01446nam 2200421 450 991071197110332120190301151007.0(CKB)5470000002488379(OCoLC)1088900324(EXLCZ)99547000000248837920190301d2012 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierDirectors of the National Reconnaissance Office at 50 years /Center for the Study of National ReconnaissanceChantilly, Virginia :National Reconnaissance Office, Center for the Study of National Reconniassance,2012.1 online resource (42 pages) color illustrations"September 2012."Intelligence serviceUnited StatesSpace surveillanceUnited StatesEmployeesfastIntelligence servicefastSpace surveillancefastUnited StatesfastIntelligence serviceSpace surveillanceEmployees.Intelligence service.Space surveillance.Center for the Study of National Reconnaissance (U.S.),GPOGPOBOOK9910711971103321Directors of the National Reconnaissance Office at 50 years3320990UNINA