| Acronym | Meaning |
| GPG | GNU Privacy Guard |
| PDT | Pacific Daylight [Saving] Time (UTC-7 Hours) |
| KITT | Knight Industries Two Thousand |
| RPL | Reverse Polish Lisp |
| OCIDS | Optical Combat Identification System |
| ACCA | Automatic Cloud Cover Assessment |
| CCRTS | Command And Control Research And Technology Symposium |
| ME | Maine (postal Symbol) -Mechanical Engineer[ing] - Medical Examiner - Middle East -Middle East Airlines (IATA Code) -Memory Effect - Myalgic Encephalomyelitis |
| NZL | Noze Looan (online/event Listings) |
| CW | Continuous Wave (laser) -Cook Islands (FIPS 10-4 Territory Code) |