| Acronym | Meaning |
 | MIS | Manipulator Jettison System (Subsystem) |
| OPT | OPerational Pressure Transducer |
| ROS | Regulated Oxygen Supply |
| DCIU | Digital Control And Interface Unit |
| SP | Single Pole |
| PCS | Payload Checkout System |
| DMC | Drive Motor Assembly |
| TPF | Transfer Phase Final |
| OSE | Operating SupPort Equipment |
| MCC | Motor Control Center (JSC) |
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