| Acronym | Meaning |
![](file.png) | RIL | Repairable Item List |
![](file.png) | RIL | Reparableltemlist |
![](file.png) | RIPS | Radar Impact Prediction System |
![](file.png) | RIR | Reportable Item Report |
![](file.png) | RIS | Reporting Identification Symbols |
![](file.png) | RISKAC | Risk Acceptance |
![](file.png) | RIT | Request For Interface Tool |
![](file.png) | RIU | Remote Interface Unit |
![](file.png) | RIV | Recirculation Isolation Valve |
![](file.png) | RJ/EC | Reaction Jet/Engine Control |
![](file.png) | RJC | Reaction Jet Control |
![](file.png) | RJD | Reaction Jet Device |
![](file.png) | RJD | Reaction Jet Driver |
![](file.png) | RJD | Reaction Jet Driver |
![](file.png) | RJDA | Reaction Jet Driver Aft |
![](file.png) | RJDF | Reaction Jet Driver Forward |
![](file.png) | RJEC | Reaction Jet Engine Control |
![](file.png) | RJOD | Reaction Jet OMS Driver |
![](file.png) | RK | Recharge |
![](file.png) | RL | Return Link |
![](file.png) | RLA | Repair Level Analysis |
![](file.png) | RLA | Repair Line Agreement |
![](file.png) | RLC | Remote Load Controller |
![](file.png) | RLF | Relief |
![](file.png) | RLG | Ring Laser Gyro |
![](file.png) | RLT | Return Line Tether |
![](file.png) | RLY | Relay |
![](file.png) | RM | Redundancy Management |
![](file.png) | RM | Redundancy Management |
![](file.png) | RM | Reference Mission |
![](file.png) | RM | RemoteManipulator |
![](file.png) | RM | Rendezvous Maneuver |
![](file.png) | RM | Rescue Module |
![](file.png) | RM | Right Mid |
![](file.png) | RM/MS&C | Redundancy Management/Moding |
![](file.png) | RM/MS&C | Control |
![](file.png) | RMA | Renote Manipulator Arm |
![](file.png) | RMC | Redundancy Management Control |
![](file.png) | RMF | RCS Module Forward |
![](file.png) | RMG | Right Main Gear |
![](file.png) | RMI | Radio Magnetic Indicator |
![](file.png) | RMRS | Repeatable Maintenance And Recall System |
![](file.png) | RMS | Radian Means Per Second |
![](file.png) | RMS | Random Motion Simulator |
![](file.png) | RMS | Redundancy Management System |
![](file.png) | RMS | Remote Manipulator System |
![](file.png) | RMS | Remote ManiPulator System (SubsYstem) |
![](file.png) | RMS | Root Mean Square |
![](file.png) | RMS | Root-Mean-Square |
![](file.png) | RMSVP | Remote ManiPulator SubsYstem Verification Plan |