| Acronym | Meaning |
| AL/EPD | AL Environmental Protection Division |
| TIP | TIROS Information Processor |
| BRAN | Boulder Research And Administrative Network |
| PSC | Pittsburgh Supercomputing Center |
| GNSS | Ground Network Scheduling System |
| IRC | International Research Council |
| ESL | Earth Sciences Laboratories |
| GHRS | Goddard High Resolution Spectograph |
| PDR | Preliminary Design Review |
| THEMIS | N/A |