| Acronym | Meaning |
| PRD | PersonalRadiation Dosimeter |
| MCP | Master ComputerProgram |
| PCS | Procedure Completion Sheet |
| CONS | Console |
| PDC | Procurement Document Change |
| PD | Preliminary Design |
| CSIU | Core Segment Interface Unit |
| WBSC | Wide-band Signal Conditioner |
| TFR | Trouble And Failure Report |
| TVCS | Thrust Vector Control System |