| Acronym | Meaning |
 | LRSI | Low-temperature Reusable Surface Insulation |
| EVS | Equipment VisibilitY System |
| FHD | Fixed Head Disk |
| SOP | Spacelab OPportunity Payload |
| MN | Main |
| CPI | Crosspointer Indicator |
| NMAB | National Materials Advisory Board |
| LESS | Leading Edge Subsystem |
| MEC | Mission Events Controller |
| FSRR | Flight System Readiness Review |
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