| Acronym | Meaning |
| P/S | Parallel To Serial Converters |
| CV | Check Valve |
| MTVC | Manual Thrust Vector Control |
| IEA | Integrated Electronic Assembly |
| PL | Plate |
| LBL | Left Buttock Line |
| EECOM | Electrical |
| ODCDR | Orbiter Delta CDR |
| MAT | Meteorological Atmospheric Turbulence |
| CRSI | Ceramic Reusable Surface Insulation |