| Acronym | Meaning |
| HVAC | Heating, Ventilating, Air-conditioning |
| VLV | Valve |
| MA | Multiple Access |
| CONUS | Continental United States |
| FCA | Fluids Control Assembly |
| WUSCI | Western Union Space Communications |
| NX | NOrmal To X-Axis |
| LOGO | Limit Of Government Obligation |
| EDLN | Engineering DeveloPment Logic Network |
| MMLS | Model-Modes-Loads-Stresses |