| Acronym | Meaning |
 | MCO | Mission Control Operations |
| DRL | Document Requirements List |
| SSPS | Space Shuttle Program Schedule |
| DME | Distance-measuring Equipment |
| PI | Pen And Ink (Document Update) |
| NF | NNF Natural Flood |
| PIA | Preinstallation Acceptance |
| NSR2 | Second Coelliptic Maneuver |
| RO | Recovery Operations |
| B/U | Backup |
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