which cecu> in the Eniwetsk climate tculd not be cleared up by the ground maintenance crews and it was necessary to conduct frequent flying of the aircram® to keep thsm in top condition. The risk in- volved in this precedure was great shouvid geod shot conditions de- velop unexpectedly. As a result, CTG 7.4 had to carefully analyze the weather repexrte in advance so as te avoid a situation where air.. erafs wouid not be available for a partitvlar dstonation. The effests of SHO7/, the rescheduling of all shots, and the relocaticn of swo7’ Z-intreduced severai problems for the experimen- In many instances equirmens had to be modified so a to gain satisfactory resunts. «ao tal projects. The delays eiso created general dif- ficulties for DOD experimentation in that some of the projects had te be set in motion several days ahead of shct day to be successful and when the shot was delayed, equipment had to be chesked out again and personnel deployed, sometimes on very short notise. The wide range in the predictsd yieids incident to novel expsrimentali devices made it difficult to set recording squipmernt in the proper rangs, causing the loss of mush infermation. One set. cf experiments suf- fered loss of nearly all date during SHOT/for, although the recording equipment functioned satisfactorily, the reinforced concrete station nad not been designed for as high a ylelad as J/WT/ | had delivered and airborne contaminated particles had entered the structure and fegged tne photographic fiim data records, Converse ly, because of the existence cf a rainstcorm on Eninman Island at zero time and to some exten: recause of the lew yield of swer J