| Acronym | Meaning |
| FHO | Failed Handover |
| CRB | Change Review Board |
| GROUND | OperGround Operations Review Panel |
| SDIF | Software Development And Integration Facility |
| TRA | Turnaround Requirements Analysis |
| DCSU | Digital Computer Switching Unit |
| GCA | Ground Controlled Approach |
| MCC | Motor Control Center (JSC) |
| PPS | Pneumatic Power Subsystem |
| W&C | Wire And Cable |