COR JOHNSTON ATOLL F&S NO. PROGRAM 437 TITLE 81015 Ground Guidance Facility USER STRUCTURE. FACILITY NO. ADC SCIENTIFIC STATION NO. 990, 966, 968 Bop See Text Foo FUNDING ($000) AGENCY SSD : PRE-GO Prior Cost ADC ENGR PROC CONST TOTAL 49.1 418.2 467.3 10.7 94.7 105.4 59.8 512.9 572.7 FURN PRE-GO Prior Cost TOTAL COMPLETED DESCRIPTION The Ground Guidance facility is housed in a 72 x 98-ft. building located in the southwest corner of Johnston Island. The building contains space for computers, technical storage, laboratories, mechanical equipment, power room, offices anda latrine. In the northeast corner a 20 x 20 x 28-ft. high tower houses a radar unit. The walls of the building are concrete block and the root is "built up" over metal decking and insulation. The building is air conditioned. The following exterior features are included in the facility: 1) A 56 x 74-ft. concrete paved, fenced in floodlighted area adjacent to Building 990 for air conditioning units and portable power generation equipment, 2) 750-+ft. from Building 990 in a fenced in enclosure, are the following: (a) A 90-ft. high unguyed RF test tower (Structure No. 966) (b) An equipment building serving the tower (Building 968). The building is a 6.5 x 6.5-ft. wood frame structure with plywood walls, rolled paper roof, and concrete floor. {c) An 8-ft. high monolith or bench mark. The initial construction was completed in 1965 with major revisions to accom - modate the Titan I Guidance System completed in 1967. 81-18 Pe va VOLI April 1969