| Acronym | Meaning |
| TD | Touch Down |
| STS | RSystem Test Summary Report |
| PCS | Primary Coolant System |
| FDM | Frequency Division Multiplexer |
| PDCS | Power Distribution And Control System (Subsystem) |
| CSAM | Crinkled Single Aluminized Mylar |
| E | LSCEarth Landing Sequence Controller |
| RDD | Requirements Definition Document |
| MV | Manufacturing Verification |
| STR | System Test Review |