| Acronym | Meaning |
 | SSM | Support System Module |
| ESD | Experiment Systems Division |
| R | Right |
| FSS | Field Spectrometer System |
| OB | Operational Base |
| EPR | Engine Pressure Ratio |
| RACS | Remote Automatic Calibration System |
| LOI | Lunar Orbit Insertion |
| PRE | Personal Rescue Enclosure |
| PUCS | Propellant Utilization Control System |
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