| Acronym | Meaning |
| FEWG | Flight Evaluation Working Group |
| CM | Consumables Management |
| EU | Engineering Units |
| OFS | OrbiterFunctionalSimulator |
| S/M | Scheduled Maintenance |
| CACB | Center Aisle Connector Bracket |
| GCIL | Ground Control Interface Logic |
| MICIS | Material Information Control And Information System |
| CC | Cost Center |
| CNWDI | Critical Nuclear Weapons Design Information |