| Acronym | Meaning |
| MM | Major Mode |
| SRR | System Requirements Review |
| TRANSL | Translation |
| RCA | Radio Corporation Of America (SATCOM) |
| OFI | Operational Flight Instrumentation |
| HDRSS | High Data Rate Storage System |
| MOD | Mission Objectives Document |
| IDG | Integrated Drive Generator |
| EIFA | Element Interface Functional Analysis |
| OOS | Orbit-to-Orbit Shuttle |