| Acronym | Meaning |
| TVSA | Thrust Vector Control Servoamplifier |
| VC | Velocity Counter |
| DEMOD | Demodulate |
| FEAT | Final Engineering Acceptance Test |
| TCTO | Time Compliance Technical Order |
| PACS | Pointing And Attitude Control System |
| MEA | Main Electronics Assembly |
| RETEN | Retention |
| SPS | Statement Of Prior Submission |
| CDN | CDRDiscrepancyNotice |