| Acronym | Meaning |
| S/A | Scheduled/Actual |
| CCU | Crew Communications Unit |
| INTCP | Intercept |
| ICD | Interface Control Document |
| PTD | Provisioning Technical Documentation |
| OMRC | Operational Maintenance Requirements Catalog |
| MPSR | Multipurpose Support Room |
| FOPP | Follow On Parts Production |
| HV | Hydrogen Vent |
| GESYOT | GCOS Program Element Name |