| Acronym | Meaning |
![](file.png) | JST | Joint Systems Test |
![](file.png) | EMU-TV | Extravehicular MobilitY Unit - Television |
![](file.png) | GOSS | GrGOSSGround Operations Support System |
![](file.png) | ETSS | External Tank Separation Subsystem |
![](file.png) | EPTU | Events Per Time Unit |
![](file.png) | ABHRS | As Built Hardware Reporting System |
![](file.png) | RMS | Root Mean Square |
![](file.png) | S/C | Stabilization And Control |
![](file.png) | COQ | Certificate Of Qualification |
![](file.png) | ICT | Influence Coefficient Tests |