| Acronym | Meaning |
 | U/M | Unscheduled Maintenance |
| SYS | System |
| MF | Major Function |
| SPS | Service Propulsion Subsystem |
| RRI | Rendezvous Radar Indicator |
| MGSE | Mechanical Ground Support Equipment |
| NTP | Normal Temperature And Pressure |
| LSA | Launch Services Agreement |
| OG | Outer Gimbal (Roll) |
| LF | Left Forward |
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