| Acronym | Meaning |
| IRC | International Radiation Commission |
| GST | GPS Science And Technology Program |
| BOSS | Badge Office Security Sytem |
| ETL | Environmental Technology Laboratory |
| MPA | Maintenance Purchase Award |
| ACTS | Atmospheric Chemistry Of Transient Species |
| RAM | Research Application Module |
| PEPPI | Photometric Eclipse Polar Plume Imager |
| DIF | Data Interface Facility |
| DECU | Developmental & Educational Communications Unit |