01610oam 2200457 a 450 991069879160332120190308094926.0(CKB)5470000002395937(OCoLC)806439543(EXLCZ)99547000000239593720120817d2012 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierA history of the Hexagon program[electronic resource] /[R. J. Chester]Chantilly, VA :Center for the Study of National Reconnaissance,[2012]1 online resource (234 unnumbered pages) color illustrations, portraits"April 2012."Title from title screen (viewed on Aug. 16, 2012).1-937219-07-0 History of the Hexagon program--the Perkin-Elmer involvementCenter for the Study of National Reconnaissance ClassicsSpace surveillanceUnited StatesHistoryAstronautics, MilitaryUnited StatesArtificial satellites, AmericanHistorySpace surveillanceHistory.Astronautics, MilitaryArtificial satellites, AmericanHistory.Chester R. J(Richard J.)1388466Center for the Study of National Reconnaissance (U.S.)GPOGPOGPOJPLGPOBOOK9910698791603321A history of the Hexagon program3439086UNINA