| Acronym | Meaning |
| QC | Quality Control |
| SIPRI | Stockholm International Peace Research Institute |
| SAC-C | Argentina's Scientific Applications Satellite |
| NICI | Negative Ion Chemical Ionization |
| ESD | Environmental Satellite Data |
| DNA | Defense Nuclear Agency |
| HANK | N/A |
| LAS | LAGEOS Apogee Stage |
| SADCC | South African Development Coordination Conference |
| NPI | NEXRAD Product Interface |