| Acronym | Meaning |
| GN&C | GuGN&CGuidance |
| HLAL | High Level Assembler Language |
| FM/PM | Frequency Modulation/Phase Modulation |
| TMECO | Time Of Main Engine Cutoff |
| HT | Heat Transfer |
| TAP | Total Air Pressure |
| T/V | Thermal Vacuum |
| RJC | Reaction Jet Control |
| SAM | SYstem Activation And Monitoring |
| RAAB | Remote Amplifier Acquisition And Advisory Box |