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File: 120596_aacxn_12.txtpersonnel from being electrocuted. During normal hours of operation, 0700-1900, there are approximstely four personnel on duty: the sub-station power dispatcher (nationality - Australian), and three TCNs (Fillipinos) During the night, no personnel are on duty from the power company. USAF Security Police provide two personnel for interior security and two personnel for exterior security. The KFIA sub-station provides power to all KFIA facilities, including the KFIA control tower, water purification plant, water pumping station, sewage plant, main terminal building whichs houses various mission essential elements, and flightline facilities. As an alternate source of power, the USAF has ten L-750 KW generators. Currently only eight Generators are being used on a 24 hour basis to provide Tent City power. Once the proper equipment arrives, USAF Civil Engineers will be changing over from generator to commercial power. SECURITY ASSESSMENT: (U) Physical security for the sub-station is sufficient during normal duty hours and under the current THREATCOH Charlie - --COMMUNICATION: (U) The USAF has multiple modes of communication. These modes are best described as layers. The outer layer is the most vulnerable, while the inner layer the most secure. The followlng are the modes of communication, which are listed (starting) from the outer layer and working inward: COMMERCIAL TELEPHOHES: (U) Commercial telephones on KFIA are operated by contractors. The primary eontraetor is SABCO, and the subcontractor is DATAC, INC. Presently, there are 975 telephone lines for on-installation use only and 20 telephone lines for off-installation use. Presently, TCNs and local nationals operate the switches and switchboard. Thus, these TCHs are capable of monitoring all commercial calls on KFIA. The commercial telephone cables are all underground. The commercial telephone main switch and a fifty foot microwave tower (microwave station), which transmits all off-installation calls by microwave, is located at the Pioneer Support Offices, KFIA. This area is generally unsecure (1.e. unlocked gate and no on-site security) If this microwave station were damaged, no off-installation commercial telephone calls would be possible. Tbe microwave signsls from KFIA are subsequently transmitted to microwave stations located inN Qatif and Ad Damman. These microwave stations are secure, with security guards on site. It is estimated there are approxiamtely 20 commecial lines equipped with STU IIIs on KFIA . LAND MOBILE RADIOS (LMR): (U) There are two types of LMRs on KFIA. The most vonerable LMRs on KFIA are the LMRB leased from GENlEC Company, SA (NOTE: These radios-are used by Security PoliceFoliee personnel). Presently, there are approximately 230 leased LMRs. These LMRs transmit on one frequency and receive on another frequency. This two frequency configuration allows easy monitoring. Further, these leased LMRs are controlled by tbe contractor (GEHTEC)and not the mi1itary, and there is no encryption ability. Tbe LMR repeater station is located on KFIA and is controlled by GENTEC. the second type of LMRs are the LMRs
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