G GENADMIN—  General  Administrative. GHz— Gigahertz. GMT— Greenwich  Mean  Time. H HF— High  frequency. HW— Hardware. I IDL— International Date Line. IDS— Intrusion Detection System. IFF— Identification, friend or foe. INMARSAT— International Maritime Satellite Sys- tem. IR— Information  resources. ISSM— Information Systems Security Manager. ISSO— Information Systems Security Officer. ITS— Instrumented TEMPEST Survey. J JANAP— Joint  Army-Navy-Air  Force  Publication. JCS— Joint Chiefs of Staff. K kHz— Kilohertz. L LANT— Atlantic. LDMX— Local  Digital  Message  Exchange. LIMDIS— Limited  distribution. LMF— Language and media format. LOEP— List of effective pages. M MARS— Military  Affiliate  Radio  System. MED— Mediterranean. MIJI—  Meaconing,  Interference,  Jamming,  and  In- trusion. MTF— Message text format. N NARDAC— Naval Regional Data Automation Cen- ter. NATO— North Atlantic Treaty Organization. MMAREA—   Naval    communications    area. NAVCOMPARS— Naval  Communications  Proces- sing  and  Routing  System. NAVCOMTELDET—   Naval  Computer  and  Tele- communications Detachment. NAVCOMTELCOM—  Naval Computer and Tele- communications    Command. NAVCONTELSTA—  Naval Computer and Tele- communications   Station. NAVDAC— Naval Data Automation Center. NAVDAF— Naval  Data  Automation  Facility. NAVELEXSECCEN—  Naval  Electronics  Security Center. NAVEMSCEN—  Naval  Electromagnetic  Spectrum Center. NAVOP— Naval Operations. NAVSECGRUDEPT—  Naval  Security  Group  De- partment. NAVTELCOM—  Naval Telecommunications Com- mand. NCS— (1) Naval Communications Station (2) Na- tional Communications System (3) Net Control Station. NCTAMS— Naval  Computer  and  Telecommunica- tions Area Master Station. NCTS— Naval  Computer  and  Telecommunications Station. NIF— Naval  Industrial  Fund. NMC— Numerical message correction. NOTAM— Notice to airmen. NSO— Network  Security  Officer. NTIA— National Telecommunications and Infor- mation Administration. NTP— Naval  telecommunications  publication. NTS— Naval  Telecommunications  System. NWPC—  Naval  warfare  publications  custodian. NWPL—  Naval  Warfare  Publications  Library. NWP— Naval  warfare  publication. O OPORD—  Operation  Order. OSRI— Originating  station  routing  indicator. OTAR— Over-the-air rekey. OTAT— Over-the-air  transfer. P PCMT— Personal  Computer  Message  Terminal. PC— Personal  computer. PLA— Plain Language Address. AII-2