| Acronym | Meaning |
 | SPP | Solar Physics Payload |
| HX | Heat Exchanger |
| SUP | Support |
| TP&C | Thermal Protection And Control |
| DOSIM | Dosimeter |
| PB | Preburner (P/B Preferred) |
| H | EPAHigh Efficiency Particle Air (Filter) |
| RTC | Real-Time Clock |
| PO | Personnel Office (KSC Directorate) |
| GFRP | Graphite Fiber Reinforced Plastics |
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