ratwer scrilcs discrepancies eristsos SeOeeen Cre trajecteries, born tneoretical wed measures “NDDUT), and the -dS-erwes attenustion. In avdition, wither tne Teas trajectory ‘maxims alzie.ce) sar the Orange trajectory [aaximea rance), as Jctertined from NDOT, agreed wita Cheie respective Caeoreticai asminai trajectories. In the intervening time interval, the rocket system hid been asvated by other progras, ans thus comeiderable information and experience, including three wind tunmel tests, wita the system had subsequently) been ace Guired. Consequently, in earty 1oc0, this inforsation was used to re-estisute the moet probable trajectories of the untracked units. However, in teras of appiication in the attenuacion anah sis, results were qualitatively siailar to those of previous estimates. Ales, daicscrcepuncies still existed between theory and che two measured traiectories. By March, 1960, it was cecicJed that a larger effort should be directed twerd resolution of these discrepancies. purpose. A prograa was initiated for this The progrosn was essentially a two-pronged attack on the prodica; specifically, both analytical aod experiszental approuches were planned. The aaz!vtical aporcach was an analysis of the various factors which dereraine a trajectory. I[t atternrad co evaluste ouch the relative influences of the various paraneters anJ the accuracy with which each was known. Work done prior to the Teak shot had verified that the trajectory computational ctechnique yielded sufficiently accurate results. been out Lined.” The experimental approach has Ic involved fabrication of eight rounds which were as iden- tical as possible to the orignal Hi-Lo vehicles. They sere to be tracked as Chey flew over Crajectories siailar to the Teak and Orange flights. These vehicles were launched at Point Arguello, Califomia, in early July, 1660. It should be noted here that, althoush a consiterable oumber of Deacon-Arrow rounds had been flown by this tim, che configurations had differed from that of the Hi-Lo and the shots bad been fired from Tonopah, Nevada, which has an elevazion of 5300 feet MSL. Thus, ro use information obtained fron the Tonspah rounds, it was necessary ty oormalize the data. Such nornalicacion required use of parazeters Rich were Chemselves Seing questioned. It was in order to eliminate this norsalization that the eight rount, duplicated the original Hi-Lo rounds and eecre flxwn (ron sea level. a Furaling tor the trajectory analisis prograa was made available by DASA through interagency cost reinberocent, Order Nucber 57 diebo Sr. 1, dated tv Ge Nas July !2, seo.