| Acronym | Meaning |
| HF | Hyperfiltration |
| UPS | Uninterruptible Power Supply |
| IC/ES | Intercommunication/Emergency Station |
| ECB | Event Control Block |
| PMP | Performance Management Package |
| VEFCO | Vertical Functional Checkout |
| TCO | Taken Care Of |
| CCS | Console Communication System |
| MDC | Mission Duty Cycle |
| IGDS | Iodine Generating And Dispensing SYstem |