| Acronym | Meaning |
| NAGPRA | Native American Graves Protection And Repatriation Act |
| SI | Sinhalese Language (ISO 639-1 Code) |
| FAAQ | Frequently Asked And Anticipated Questions (cf. FAQ) |
| DACT | Data Automated Communications Terminal - Dissimilar Air Combat Training |
| PIREPS | Pilot Reports |
| IMNSHO | In My Not So Humble Opinion |
| CONOPS | Concept Of Operations (military) |
| SHF | Super High Frequency |
| IBS | Irritable Bowel Syndrome |
| DDN | U.S. Defense Data Network |