| Acronym | Meaning |
| ET-SEP | External Tank Separation |
| INTERFACE | Tool |
| BSDP | Booster Stage Discharge Pressure |
| E | LACS Extended Life Attitude Control System |
| CARID | Customer Acceptance Review Item Disposition |
| PSA | Pre/Post Sleep Activity |
| RS | Redundant Set (computers) |
| PCM | Pulse Code Modulator |
| QSGVT | Quarter Scale Ground Vibration Test |
| RGAL | Rate Gyro Assembly-Left SRB |