| Acronym | Meaning |
| CONT | Contingency |
| CSD | LCharles Stark Draper Laboratory (MIT) |
| NB | No-Bias (Relay) |
| VAK | Vertical Assembly Kit |
| FREQ | Frequency |
| SSCC | Support Services Control Center |
| MMSE | Multiuse Mission Support Equipment |
| MTEO | Optical Maintenance Test Equipment |
| HWWS | Hyperfiltration Wash Water Recovery System |
| PMS | Performance Measurement System |