The northerly component of the westerly layer in the wind structure at Taongti is a help actually in affording fallout patterns from Taongi which have little tendency to encompass Wake Island. An examination of the Bikini firing sector shows a usable fallout sector with an included angle of approximtely 150°. At Taongi, neglecting Wake for the moment, the usable firing sector is 270° when laid out to miss populated areas by the same margin in the two cases. To be safe as far as Wake is concerned, and if a 30° sector, for example, is subtracted out to include Wake on its bisector, the total usable sector at Taongi is 240° and is 90° larger than at Bikini, each side by 2 generous 190 miles. De This sector clears Wake on ‘ Cost of Development During the past few weeks, Task Group 7.1 has developed in conjunction with Task Group 7.5 a staff stuly on the costs involved, aside from those of opera- tional logistic support, in developing Taongi Atoll to the stage which would allow the mooring and detonation of the first device barge. This study was requested earlier at a time when UCRL's planning was considerably less firm and when the laboratory was not in a position to evaluate the plan for ship- board. remote diagnostics as feasible or not feasible. As a consequence, and without knowing whether or not mjor land stations would be required, two hypothetical situations were described to Task Group 7.5 and the architect enjineers were then asked for dollar estimates of the cost of preparing for each of the two situations. - Situation No. 1 described a concept of operation along minimal lines which would involve the necessity of lagoon entry, establishment of the necessary minimal camp and the construction of facilities ashore comprising a firing ang control station equivalent to the existing Station 70 on Enyu Island at Bikini, A second situation described a greater effort in which the construct- ion of three major stations similar to Castle Stations 1210, 1342, 1550, and an airstrip were added to the minimal requirements, The costs of access and construction for each of these two situstions are stated in a letter for- warded by the architect engineers, Holmes and Harver, Inc., to ALO (Howell to Sanders dated 30 Januery 1957) and are quoted below: For the minimm scope of work contemplated, it is estimted 65 construction and 35 operation personnel will te required for a period of six and one-half months prior to the first shot. The mximum scope of work will require 120 construction and 80 operation personnel for a period of seven and one-half months, These schedules cover on-site construction only; a minimum of four months must be added to these schedules for procurement and shipment of material and equipment. In estimting the time schedule, it has been assumed that the topography of the proposed airstrip site will be similar to that of Ran and that beaches for landing craft,/coral deposits, trees, underbrush and other conditions will be similar to those of other atolls in which con- struction operations have been conducted. —