| Acronym | Meaning |
| NMO | Normal Manual Operation |
| RI | Rockwell International |
| STDN | Spaceflight Tracking And Data Network |
| MPS | Material Processing Specification |
| EMU | Extravehicular Mobility Unit |
| W/T | Wind Tunnel |
| SRS | Support Requirements System |
| EADI | Electronic Attitude Director Indicator |
| BP | C/SCounts Per Second |
| MSDS | Multispectral Scanner And Data System |