| Acronym | Meaning |
 | CI | Crew Interface |
| MRL | Manipulator Retention Lock |
| S/P | Signal Processor |
| LUCS | Instrumentation Update Command SYstem |
| FCA | Functional Configuration Audit |
| MFA | Manned Flight Awareness |
| SIS | SAIL Interface System |
| MCIU | Manipulator Controller Interface Unit |
| LSTE | Launch Site Transportation Equipment |
| EFTO | Encrypted For Transmission Only |
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