| Acronym | Meaning |
| ECLS | Environmental Control And Life Support |
| ECLSS | Environmental Control And Life Support System |
| ECL | Entry Closed Loop |
| GYRO | Gyroscope |
| OAT | Operational Acceptance Test |
| ETB | Equipment Transfer Bag |
| ECLSS | Environmental Control And Life Support System |
| MCP | Mission Control Programmer |
| SPS | Secondary Propulsion System |
| BR | Bit Rate |