| Acronym | Meaning |
![](file.png) | FA | Fully Automatic |
![](file.png) | NTIS | National Technical Information Service |
![](file.png) | IPS | Lglc)O Passive Thermal Control Section |
![](file.png) | MCBF | Mean Cycle Between Failures |
![](file.png) | DIR | Document Information Record |
![](file.png) | MPB | Maintenance Parts Breakdown |
![](file.png) | Q | Pitch Rate (Angular Rate) |
![](file.png) | TBD | To Be Developed |
![](file.png) | SM | ESShuttle Mission Eng' |
![](file.png) | DDAS | Digital Data Acquisition System |