| Acronym | Meaning |
| CDCL | Contract Document Control List |
| GWEN | Ground Wave Emergency Network |
| NCRP | National Council On Radiation Protection And Measurement |
| OASM | Operational Analysis Support Model |
| CCB | Configuration Control Board |
| SIR | Shuttle Imaging Radar |
| ESML | Earth Science Markup Language |
| AVC | Advanced Vector Computer |
| AFP | Advanced Flexible Processor |
| INPA | Instituto Nacional De Pesquisas Da Amazonia |