| Acronym | Meaning |
| SSS | Stage Separation Subsystem |
| CSCSAT | Commercial Synchronous Communication Satellite |
| ECC | Engineering Critical Component |
| OD | Operational Downlink/Downlist |
| MO | Master Oscillator |
| IEA | Integrated Electronic Assembly |
| POST | Payload Operations SuPport Team |
| PAF | Payload Attach Fitting |
| HSC | Hardware/Software Coordination |
| SCN | Specification Change Notice |