Two staple-bound 8.5 x 11 NASA manuals entitled "Launch Vehicle Operations for Support of Space Vehicle Countdown Demonstration Test and Launch Countdown," Volumes 1 and 2 (of a 3-volume set), "Assembled for CDDT," prepared by the Boeing Company, Atlantic Test Center, Saturn V-Launch Operations, with volumes bearing matching test number, "V-20060," revision number, "008," and effectivity, "AS-506." The first 207-page volume is dated May 12, 1969, with operating steps covering launch vehicle operations through spacecraft cryogenic loading; the second volume, 408 pages with appendices, is dated May 26, 1969, features operating steps that will include launch vehicle operations from the completion of spacecraft cryogenic loading through the terminal count sequence, and appendices will include safing operations, recycle to T-22 minutes, drain operations and S-II LH2 vent valve cryogenic tests, hazardous pad access conditions, dry CDDT preparations, dry operations, RF compatibility test and securing. In overall very good to fine condition, with cover page of first volume detached but present, and expected scattered wear and stains from use.
