This film from of the Air Force Space and Missile Museum You Tube channel: Published, december 6, 2012. Documentary produced in 1958 by the Vanguard rocket program. An audio dropout between the 27-34 minute mark but with otherwise good video. The tape ends a few seconds early with no loss of meaningful content. IMPORTANT: Go to website Air Force Space and Missile Museum at Cape Canaverale for more documentation, photos and videos.