| Acronym | Meaning |
 | SFTA | Structural Fatigue Test Article |
| MS | Machine Steel |
| IC/ES | Intercommunication/Emergency Station |
| IEP | Instantaneous Effective Photo Cathodes |
| MAIDS | Management Automated Information Display System |
| GC | Ground Control |
| DOA | DePartment Of Agriculture |
| PIPA | Pulse Integrating Pendulum Assembly |
| PSSP | Payload Specialist Station Panel |
| RALPH | Reduction And Acquisition Of Lunar Pulse Heights |
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