| Acronym | Meaning |
![](file.png) | NO. | Number |
![](file.png) | SLF | Shuttle Landing Facility (OLF) |
![](file.png) | HLDS | Hydrogen Leak Detection System |
![](file.png) | WA | Wide Angle |
![](file.png) | CWA | Clean Work Area |
![](file.png) | OMS | Orbital Maneuvering System |
![](file.png) | P&SM | Procurement And Subcontract Management |
![](file.png) | V/M | Velocity Meter |
![](file.png) | DBIA | Data Bus Isolation Amplifier |
![](file.png) | PM | PMAPerformance Monitor Annunciator |