| Acronym | Meaning |
| R/W | Read/Write |
| OR | Outer Roll |
| M/S | Measurement Stimuli |
| DI | Development Integration |
| SPIDPO | Shuttle Payload Integration And Development Program Office |
| RAF | Requirements Analysis Form |
| TMECO | Time Of Main Engine Cutoff |
| E | LSCEarth Landing Sequence Controller |
| SMT | Selective Message Transaction |
| IDT | I-load Data Tape |