| Acronym | Meaning |
 | MA | Multiple Access |
| GCE | Ground Checkout Equipment |
| MW | Man Week |
| MSFC | George C. Marshall SPace Flight Center |
| BMU | Bus Monitor Unit |
| V&DA | Video And Data (Processing) Assembly |
| SCD | Source Control Drawing |
| OPR | Oxygen Pressure Regulator |
| NMV | Nitrogen Manual Valve |
| DDS | Documentation Distribution System |
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