| Acronym | Meaning |
| PPM | Part Per Minute |
| SLCL | ShoP/Lab Configuration Layout |
| LUB | Lubricate |
| FLAP | Flight Application Software |
| NTP | Normal Temperature And Pressure |
| FDM | Frequency Division Multiplexer |
| I | FIntermediate Frequency |
| HO | Hydrogen-OxYgen |
| OSTS | Office Of Space Transportation Systems |
| PM | Performance Monitor |