| Acronym | Meaning |
| DTS | Data Transfer System |
| GVTA | Ground Vibration Test Article |
| DIM | Design Interface Meeting |
| ILA | Instrument Landing Approach |
| CPC | Characteristics Properties Code |
| DDD | Display Decoder Drive |
| SFOP | Safety Operating Procedure (KSC) |
| PETS | P/L Experiment Test System (KSC) |
| PRB | Panel Review Board |
| OA | Operational Instrumentation MDM-Aft |