| Acronym | Meaning |
| DPP | Data Processing Software System |
| EPCDC | Electrical Power Conditioning |
| NAAL | North American Aerodynamic Laboratory (Wind Tunnel) |
| R/L | Remote/Local |
| MCL | Mass Change Log |
| BRM | Biological Research Module |
| MHF | Medium High Frequency |
| GN | GaGN Gain |
| MDE | Modular Display Electronics |
| PGWG | Particles And Gasses Working Group |