135 Til two RB-50's, The eight elements comprising the Test Services Unit are | described in the following paragraphs. The Weather Reconnaissance tlement, operating ten WB-50 aircraft, was committed to fly two weather tracks each day, a commitment which ' was increased to three tracks daily immediately prior to, during, end subsequent to certain shot days. Im addition to their use in collec- " tion of weather data, the element's aircraft were used for typhoon reconnaissance, post—-shot cloud tracking, and related activities, ALL of the WB-5)'s were prepared to function as back-up sampler control aircraft, The weather Heporting klement manned weather reporting stations, including the permanent station at cniwetok and others located on the remote islands of Kusaie, Kapingmarangi, Tarawa, Nauru, Utirik, Ronge= lap, wotno, and Ujelang, The weather reporting stations collected sur- face and upper air meteorological data with rawinsonde equipment. Up to sixteen surface and rawinsonde observations were made daily at some of the stations, The weather keconnaissance Kiement and the deather Reporting klement supplied the results of their observations to a tnird Test Services elenent, tne seatner ventral slement, which was responsible for weather forecasting, under tue direct cperativnal control of tne Joint Task borce ouVeli Commander, Because of tne vital importance of accurate — Og AFWL/ iQ : cul