| Acronym | Meaning |
 | SR | Statement Of Requirements |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| BMFT | German D-1 Spacelab Payload |
| W/W | Wheel Well |
| VDA | Variable Data Area |
| S&A | Safe And Arm (Device) |
| OBS | Operational Biomedical System |
| OBV | Oxidizer Bleed Valve |
| RW | Response Word |
| HAL/S | High-order Assembly Language/ Shuttle |
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