| Acronym | Meaning |
| CUIL | COmmon Usage Item List |
| ENA | Enable |
| DCR | Design Concern Report |
| MECA | Main Engine Controller Assembly |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer |
| SCA | Shuttle Carrier Aircraft |
| RRT | Rendezvous Radar Transducer |
| TRANSL | Translation |
| PBIM | Programmable Buffer Interface Module |
| VERLORT | Very Long Range Tracking Radar |