| Acronym | Meaning |
| SSDC | U.S. Space And Strategic Defense Command |
| ZG | Zeptogram |
| CITS | Combat Identification Training System |
| NBL | Southern Ndebele Language (ISO 639-2 Code) |
| JTRS | Joint Tactical Radio System (jitters) |
| KH | Kilohenry |
| PIN | Personal Identification Number |
| PICNIC | Problem In Chair Not In Computer |
| RAE | UK Royal Aircraft Establishment (?1991) |
| KIN | Kinyarwanda Language (ISO 639-2 Code) |