| Acronym | Meaning |
| DNDO | U.S. Domestic Nuclear Detection Office |
| HOPI | Hybrid Optical And Packet Infrastructure (see Internet2 |
| PIG | Pipeline Inspection Gauge |
| SRSP | Science And Religion In Schools Project |
| AGU | American Geophysical Union |
| AZE | Azerbaijani Language (ISO 639-2 Code) |
| UNOSOM | United Nations Operations In Somalia |
| HIRD | Hurd Of Interfaces Representing Depth (cf. HURD) |
| DTE | Data Terminal Equipment - Down To Earth |
| J6 | Joint Information Technology Directorate (Command |