| Acronym | Meaning |
| PSP | Payload Signal Processor |
| CASO | Cancellation Addendum Sales Order |
| NEC | National Electrical Code |
| SCRSY | Serialized Control And Record SYstem |
| BCH | Bose-Chaudhuri-Hocquenghen (Computer Code) |
| S/F | Single Flow |
| RMS | Remote Manipulator System |
| CTSD | ComPuter Test Sequences Document |
| LEB | Lower Equipment Bay |
| CCA | Contract Change Authorization |