| Acronym | Meaning |
![](file.png) | ONBD | Onboard |
![](file.png) | TCU | TaPe Control Unit |
![](file.png) | TEMP | Test And Evaluation Master Plan |
![](file.png) | MC&W | Master Caution And Warning |
![](file.png) | ISC | Johnson Space Center (formerly MSC) |
![](file.png) | PIM | Pulse Interval Modulation |
![](file.png) | HMA | Hypergot Maintenance Area |
![](file.png) | FW | Flag Word |
![](file.png) | W | West |
![](file.png) | TSB | Temporary Stowage Bag |