| Acronym | Meaning |
| EGT | Exhaust Gas Temperature |
| OECO | Outboard Engine CLjtoff |
| IPS | Instrumentation Power Subsystem |
| SMCU | Separation Monitoring Control Unit |
| FCEI | Facility Contractor End Item |
| SPC | Shuttle Processing Contractor |
| VAC | Volts |
| RM/MS&C | Redundancy Management/Moding |
| DOY | Day Of Year |
| SSC | Shuttle System Contractor |