| Acronym | Meaning |
| PN | Pseudo-Random Noise |
| SAWD | Solid Amine Water Desorbed |
| PH | Personal Hygiene |
| PALS | Photo Area And Location SYstem |
| PICS | Photo Index And Cataloging System |
| QATT | Qualification For Acceptance Thermal Testing |
| RSS | Rotating Service Structure |
| NASTRAN | NASA Structural Analysis |
| MAEP | Minimum Autoland Entry Point |
| BDCR | Baseline Document Change Request |