| Acronym | Meaning |
 | CPE | I Computer Program End Item |
| MECO | Main Engine Cutoff |
| LE | LauLeading Edge |
| VGOR | Vehicle Ground Operation Requirements |
| COFW | Certificate Of Flight Worthiness |
| OTR | Operating Time Record |
| GRTLS | Glide Return To Launch Site |
| FTR | Functional Test Requirement |
| FFM | Free-Flying (Experiment) Module |
| SCU | Sequence Control Unit |
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