| Acronym | Meaning |
| SDC | Software DeveloPment COmPuter |
| DDU | Decommutator Distribution Unit |
| OMD | Operations And Maintenance Documentation |
| EES | Escape Ejection Suit |
| CSP | ComputerSupportProgram |
| TMG | Thermal Meteoroid Garment |
| DCM | DECOM ControlMemory |
| TWX | Teletype Wire Transmission |
| DBGMP | DBRNData Bank Release Notice |
| CBS | Connector Bracket Signal |