| Acronym | Meaning |
![](file.png) | WSB | Water Spray Boiler |
![](file.png) | SAMTEC | Space And Missile Test Center Manual |
![](file.png) | STAG | Shuttle Turnaround AnalYsis Group |
![](file.png) | SVB | Shuttle Vehicle Booster |
![](file.png) | OPGUID | OPtimum Guidance (Technique) |
![](file.png) | R&DO | Research And Development Operations (MSFC) |
![](file.png) | SAMTO | Space And Missi E Test Organization (VAFE3) |
![](file.png) | NO | Normally Open |
![](file.png) | SPIAP | Shuttle/Payload Integration Activities Plan |
![](file.png) | SOMS | Shuttle Orbiter Medical System |