| Acronym | Meaning |
| EMS | Engineering Master Schedule |
| MLR | Monodisperse Latex Reactor |
| LP | Launch Pad |
| UTI | LUtility |
| CWE | Caution And Warning Electronics |
| HRSI | High-temperature Reusable Surface Insulation |
| PBDM | Payload Bay Door Mechanism |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| I | ECM Induced Environment Contamination Monitor |
| PARA | Paragraph |