| Acronym | Meaning |
| SCM | Subsystem Configuration Monitoring |
| JOP | Joint Operating Procedure |
| LC | Interim Change |
| NRTS | Not Repairable At This Station |
| ICC | Interface Control Chart |
| OPA | Operations Planning Analysis |
| CCM | Controlled Carrier Modulation |
| OIR | Operations IntegrationReview |
| H | /'EHeat Exchanger |
| CR | Change Request |