| Acronym | Meaning |
| RUS | Russian Language (ISO 639-2 Code) |
| GFDL | GNU Free Documentation License |
| PJ | Petajoule |
| ANL | Argonne National Laboratory |
| GST | Goods And Services Tax (Australia |
| JOD | Jordanian Dinar (ISO 4217 Currency Code) |
| QU | Quechua Language (ISO 639-1 Code) |
| SE | Seychelles (FIPS 10-4 Country Code) - South-East - Sweden (ISO 3166 Digram) -Synthetic Environment - System Engineering |
| NSTAC | National Security Telecommunications Advisory Committee |
| CSAR | Combat Search And Rescue (seessar) |