| Acronym | Meaning |
| ECO | Engineering Change Order |
| PBS | Protective Breathing System |
| VIB | Vertical Integration Building |
| GRTLS | Glide Return To Landing Site |
| SCMB | Development Configuration Management Board |
| SACS | SADshuttle AuthorizedDocument |
| CMR | Center Materials Representative |
| SOCS | Subsystem Operation And Checkout System |
| MIB | Master Interconnect Board |
| W/H | Watt-Hour |