Communication Center for the instrumentation complex to the Communication Center on Eniwetok Island. 6.12 INSTRUMENTATION VANS The instrumentation for the complex will be mounted in 40 foot vans, with the exception of the AN/TPQ-18, and the telemetry and command control antennas. Each van will have a quick-disconnect air conditioning unit, in order to allow easy and rapid substitution of units in the event of an air conditioning failure. In the event that it is necessary to select another impact area because of tne peculiar program requirements or for range safety reasons, this transportable configuration would permit the moving of this instrumentation complex to the new impact area at a minimum cost for this type of instrumentation complex and reduce the range's reaction time to support these operations. It is proposed to relocate Building 1505 and 1506 as shown in figure 2. The instrumentation vanswill be housed in these buildings, as shown in figure 5, to reduce the effects of the very corrosive salt spray atmosphere and coral sand on the instrumentation vans. Although the vans will be designed for protection against the corrosive atmosphere, past experience has shown that it is highly desirable to house the instrumentation vans when economically feasible. 6.13 SITE PREPARATION AND UTILITIES The site preparation will primarily consist of: the preparation of the required area; the construction of a pad and antenna pedestal for the AN/TPC-18 Radar; the construction of personnel facilities (required office space & sanitary facilities), the foundation for Buildings 1505 -18-