| Acronym | Meaning |
![](file.png) | PIIN | Procurement Instrument Identification Number |
![](file.png) | OFS | OrbiterFunctionalSimulator |
![](file.png) | ND | Neodymium |
![](file.png) | SMVRD | Shuttle Master Verification Requirements Document |
![](file.png) | SW | Status Word |
![](file.png) | BTC | Binary Time Code |
![](file.png) | MDC | Mission Duty Cycle |
![](file.png) | OMA | Operations Maintenance Area |
![](file.png) | PWS | Pricing Work Statement |
![](file.png) | SCAS | Subsystem COMPuter Application Software |