| Acronym | Meaning |
| SEADS | Shuttle Entry Air Data Sensor |
| ILA | Instrument Landing Approach |
| PDP | Project Definition Phase |
| HC | Hand Controller |
| RFCP | Request For Computer Program |
| CCA | Communications Carrier Assembly |
| GATT | Gate Assisted Turnoff Thyristor |
| GSTDN | Ground Space Flight Tracking And Data Network |
| PARS | Property Accountability Record System |
| MCIU | Manipulator Controller Interface Unit |