| Acronym | Meaning |
 | CCU | Central Control Unit |
| SSPDS | Space Shuttle Payload Data Study |
| RNG | RT Range Rate |
| PLMS | Program Logistics Master Schedule |
| MSK | Manual Select KeYboard |
| NBF | Neutral Buoyancy Facility |
| CRD | Change Request Disposition |
| PRSD | Power Reactant Storage And Distribution |
| INTERCHANGE | Interchangeability And Replacement |
| TRK | Track |
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