| Acronym | Meaning |
 | ERRC | Expendability/Recoverability/Repair Capability |
| ORE | On-Orbit Repair Experiment |
| PTI | Preliminary Test Information |
| EDLN | Engineering DeveloPment Logic Network |
| NM | Nanometer |
| PM | Payload Management |
| MAA | Mathematical Association Of America |
| PDM | Processor Data Monitor |
| LDR | Low Data Rate |
| COS | Carry-on Oxygen System |
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