| Acronym | Meaning |
| GCV | Gaseous Oxygen Control Valve |
| SRD | SYstems Requirements Document |
| CDC | Countdown Clock |
| DD | Data Depository |
| QE | Quality Engineer |
| PAH | PaYload Accommodations Handbook |
| COMPR | Compress |
| RTS | Real-Time Supply |
| HFX | High Frequency Transceiver |
| BPD | Baseline Program Documentation |