| Acronym | Meaning |
| INTEROG | Interrogate |
| NOMINAL | PerNominal Percent Defective |
| REC | Receive |
| TDS | Technology Demonstration Satellite |
| LSSRC | Life Sciences Shuttle Research Centrifuge |
| PRCBD | ProgramReview Control Board Directive |
| IASS | Inverter/ATCS Support Structure |
| SAU | Signal Acquisition Unit |
| EVCON | Events Control (Subsystem) |
| BRK | Brake |