| Acronym | Meaning |
| RTAC | Research And Technology Advisory Committee |
| HAST | High Altitude Supersonic Target |
| SPICE | SPacelab Payload Integration And Coordination In |
| OBS | Operational Biomedical System |
| CAPS | Common Attitude Pointing System |
| G | Gravity |
| PDR | Preliminary Design Review |
| CADU | Control And Display Unit |
| CCRF | Consolidated Communication Recording Facility |
| HAL/S | Computer |