| Acronym | Meaning |
| CSIR | Review |
| SC | Service Charge |
| GRID | Graphic Retrieval And Information Display |
| PDC | Procurement Document Change |
| SDRL | Supplier Data Requirements List |
| OFK | Officiaf Flight Kit |
| OFDS | Orbiter Flight Dynamics Simulator |
| DCN | Drawing Change Notice |
| OODR | Out-of-Detent Roll |
| GOP | GrGOPGround Operations Panel |