| Acronym | Meaning |
 | MSE | Maintenance Support Equipment |
| ICB | Interrupt Control Block |
| ECLSS | Environmental Control And Life Support System |
| DESPOT | Design Performance OPtimization |
| TVAR | Test Variance |
| CSOC | Consolidated Space Operations Center |
| PBDM | Payload Bay Door Mechanism |
| POCC | Payload Operations Control Center |
| NWS | Nose-Wheel Steering |
| C&T | Communications And Tracking |
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