| Acronym | Meaning |
| RPTA | Rudder Pedal Transducer Assembly |
| CVAD | Converter |
| PR | Performance Report |
| AOA | Abort Once Around |
| M+R | Maintenance And Refurbishment |
| GTCU | Ground Thermal Conditioning Unit |
| SS&A | Space Systems And Applications |
| PPS | Pneumatic Power Subsystem |
| DAM | Double Aluminized Mylar |
| EMU | Extravehicular Mobility Unit |