| Acronym | Meaning |
| PSS | Pad Safety Supervisor |
| HIP | Hardware Interface Program |
| PMC | Payload Monitoring And Control |
| SIPS | Small Instrument Pointing System |
| SVAB | Shuttle Vehicle Assembly Building |
| ESS | Experiment Subsystem Simulator |
| NSW | NSP Status Word |
| SOC | SYstem OPtion Controller |
| R&DO | Research And Development Operations (MSFC) |
| SAAC | Schedule Allocation And Control |