| Acronym | Meaning |
 | MTU | Master Timing Unit |
| RAC | ReliabilitY Action Center |
| LDB | Launch Data Bus |
| PU | Power Unit |
| OFTR | Orbital Flight Test Requirement |
| CDNR | CDR Discrepancy Notice Record |
| POR | Purchase Order Request |
| ECAS | Experiment Computer Application Software |
| FTOH | Flight Team Operations Handbook |
| OHF | Occupational Health Facility |
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