| Acronym | Meaning |
![](file.png) | CM&S | Communications Maintenance And Storage |
![](file.png) | VIDD | Vertical Interval Data Detector |
![](file.png) | OSOP | Orbiter Systems Operating Procedures |
![](file.png) | NTS | Near Term Schedule |
![](file.png) | CT | Current Transformer |
![](file.png) | MSU | Measuring Stimuli Units |
![](file.png) | OD | Operational Downlink/Downlist |
![](file.png) | PCVL | Pilot Controlled Visual Landing |
![](file.png) | IPS | Interrange Instrumentation Group |
![](file.png) | SPT | Steering Position Transducer |