| Acronym | Meaning |
 | FTC | Florida Test Center (MDAC) |
| MEE | Mission Essential Equipment |
| SAR | Search And Rescue |
| NCI | Phasing Maneuver |
| PRTLS | Powered Return To Launch Site |
| O&FS | Operations And Flight Support |
| ED | Engineering Directive |
| WAD/NU | Work Authorization Number |
| OLOW | Orbiter Lift-off Weight |
| FLPS | Flight Load Preparation System |
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