| Acronym | Meaning |
| CLIP | Combined Laser Instrumentation Package |
| EI | Entry Interface |
| SPDB | Subsystem Power Distribution BC)x |
| SCS | Stabilization And Control SYstem (Subsystem) |
| PV&D | Purge |
| RB | Radar Beacon |
| VC | Vector Character |
| SMIR | Shuttle Multispectral Infrared Radiometer |
| SMP | Software Management Plan |
| MILLS | Modular Integrated Utility Systems |