| Acronym | Meaning |
| SEP | SUPPort Equipment Package |
| CONTAM | Contaminate |
| PRPS | Programming Requirements Process Specification |
| PTT | Push To Talk |
| SLEMU | SPacelab Engineering Model Unit |
| REOD | Required |
| FCA | Forward Controller Assembly |
| OIC | Orbiter (Orbital) Integrated Checkout |
| OPGUID | OPtimum Guidance (Technique) |
| KT | Knots |