| Acronym | Meaning |
 | BMMD | Body Mass Measuring Device |
| PDRS | Payload Deployment And Retrieval System(s) |
| SCFS | Standard Cubic Feed Per Second |
| ETD | External Tank Door |
| PROG | Progress |
| CI | Color Interior Film |
| HV | Hydrogen Vent |
| SOLN | Solution |
| DIR | Document Information Record |
| HTPB | Hydroxyl Terminated Polybutadiene (Propellant) |
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