| Acronym | Meaning |
| NORAD | North American Air Defense Command |
| DWS | Disaster Warning Satellite |
| IDS | Interface Data Sheet |
| DIF | Discrete Increment Filter |
| UCS | UnUtilities Control System |
| MHSC | Manipulator Handset Controller |
| LSPDF | Life Science Payloads Development Facility |
| PROP | Propulsion Engineer |
| STRG | Steering |
| MTM | Methods Time Measurement |