Three-ring binder containing volumes I and II for the NASA manual “Launch Vehicle Operations for Support of Space Vehicle Countdown Demonstration Test and Launch Countdown,” both marked “Released for AS 506” and “Assembled for CD,” and prepared for Launch Vehicle Operations by Saturn V Launch Operations at Boeing’s Atlantic Test Center. Front covers of both are identified in upper right corner with test number “V-20060,” revision number, “010,” effectivity, “AS-506,” and release date, “June 30, 1969” and “July 3, 1969.” The first volume, 8.5 x 11, approximately 119 pages, covers launch vehicle precount operations and consists of the following sections: Test Catalog Sheet, Test Outline, List of Unique Pages, List of Effective Pages, Revision Record, Launch Operations Communications, Launch Vehicle Call Stations, OIS-RF Channelization LC-39, Abbreviations, L/V Countdown Bar Charts, Required Subtask Documentation, Launch Complex 39 Pad Access Control & Area Map, Precount Test Conditions, and Volume I, Precount. The second volume, 8.5 x 11, approximately 333 pages, covers launch vehicle count operations as well as safing and securing operations, and includes many of the same sections as the first volume, with the differences as follows: TV Camera Locations, Launch Vehicle TM & RF Frequencies, Volume II Count, and four appendices identified as LV Safing Procedures, LV Recycle Procedure, LV Drain Operations, and Pad Access During Hazardous Operations. In overall fine condition.