| Acronym | Meaning |
| NITFS | National Imagery Transmission Format Standard |
| SH | Saint Helena (ISO 3166 Digram) -SONATRACH (Algerian Petroleum Company) |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| HRM | Human Resource Management |
| RADB | Rad51/Dmc1 Homologous Protein |
| IFPI | International Federation Of Phonographic Industries |
| DGZ | Desired Ground Zero |
| EKMS | Electronic Key Management System |
| SLPS | Standard Litre Per Second (air Flow) |
| SIFF | Successor IFF |