| Acronym | Meaning |
 | GPCB | GOAL Program Control Block |
| FI | FlightInstrumentation |
| DCOP | Displays |
| TTC | Time To Circularize (Orbit) |
| PTR | Preliminary Test Report |
| PRSD | Power Reactant Supply And Distribution |
| PH | Hydrogen-Ion Concentration (Alkalinity) |
| OPR | Office Of Primary Responsibility |
| LCF | LowCycle Fatigue |
| SDF | Single Degree Of Freedom |
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