| Acronym | Meaning |
| OFI | Operational Flight Instrumentation |
| SOCA | R Shuttle Operational Capability Assessment Report |
| DPP | Deployment Pointing Panels |
| HCF | HIM Configuration File |
| RESID | Residual |
| PHK | Personal Hygiene Kit |
| CRR | Critical Requirements Review |
| IECS | Igloo Environment Control Subsystem |
| FF | Free Flight |
| EAC | Estimate At Completion |