| Acronym | Meaning |
![](file.png) | M/U | Mockup |
![](file.png) | NSI-I | NASA Standard Initiator-Type I (was SMSI) |
![](file.png) | CW | Command Word |
![](file.png) | EQUIP | Equipment |
![](file.png) | MCIU | Master Control And Interface Unit |
![](file.png) | PRPS | Programming Requirements Process Specification |
![](file.png) | TS | Timing System |
![](file.png) | MS | Military Standard (Parts Designation) |
![](file.png) | LANDC | Instrumentation And Communication |
![](file.png) | MMCA | Mid Motor Controller Assembly |