| Acronym | Meaning |
| EECOM | Systems (MPSR) |
| EA | Electronic Assembly |
| DIA | Diameter |
| M | Matrix |
| RFEI | Request For Engineering Information |
| SSPC | Spacelab Stored Program Command |
| CSAM | Crinkled Single Aluminized Mylar |
| MTC | Master Thrust Controller |
| FCS | Flight Control System (Subsystem) |
| CVT | Communications Vector Table |