| Acronym | Meaning |
| BPI | Bits Per Inch |
| DECU | Data Exchange Control Unit |
| LH2 | Liquid Hydrogen |
| ETCO | Equipment Transfer/Change Order |
| OMCF | Orbiter Maintenance And Checkout Facility |
| PA | Public Address |
| SCIU | Selector Control Interface Unit |
| CDA | Command And Data Acquisition |
| SCDR | Subcontractor Critical Design Review |
| RAMA | Recap And Movement Authorization |