| Acronym | Meaning |
| STRG | Steering |
| HDWE | Hardware |
| MDCS | Master Digital Command System |
| DD&CS | Dedicated Display And Control Subsystem |
| EDC | Engineering Design Change |
| QDS | Quality Data System |
| COMR&DSAT | Communication Research And Development Satellite |
| NTP | Normal Temperature And Pressure |
| TI | Information Systems (KSC Directorate) |
| TIC | Total Item Change |