| Acronym | Meaning |
 | ESP | Electronic Stability Program - Extra-sensory Perception -Spain (ISO 3166 Trigram) |
 | CHIP | California Highway Patrol |
 | NOR | Norway (ISO 3166 Trigram) |
 | IT | InferoTemporal (neurophysiology) - Information Technology -Italy (FIPS 10-4 Country Code; ISO 3166 Digram) |
 | DDN | U.S. Defense Data Network |
 | MDG | Madagascar (ISO 3166 Trigram) -UN Millennium Development Goal |
 | TP | East Timor (ISO 3166 Digram; Obsolete 2002) - S?o Tom? And Prncipe (FIPS 10-4 Country Code) -Training Practice |
 | FRCP | Federal Rules Of Civil Procedure |
 | ADIZ | Air Defence Identification Zone |
 | QUASAR | Quasi-stellar Radio Source |