| Acronym | Meaning |
![](file.png) | DDA | Digital Differential Analyzer |
![](file.png) | L&T | Laboratory And Test |
![](file.png) | PCCM | Program Change ControlManagement |
![](file.png) | PSP | Payload Signal Processor |
![](file.png) | CEIAC | Coastal Engineering Information Analysis Center |
![](file.png) | SES | Shuttle Engineering Simulation |
![](file.png) | PSST | Periodic Significant Scheduled Tasks |
![](file.png) | EV | Expendable Vehicles |
![](file.png) | RALT | Radar Altimeter |
![](file.png) | OSE | Operating SupPort Equipment |