| Acronym | Meaning |
| IPDR | Incremental Preliminary Design Review |
| OVLD | Overload |
| KOPS | Thousand Of Operations Per Second |
| FTRD | Flight Test Requirements Document |
| OMD | Operations And Maintenance Documentation |
| PSE | Payload Support Equipment |
| GETI | Ground Elapsed Time Of Ignition |
| IPS | IRR InsPection Rejection Report |
| DWS | Disaster Warning Satellite |
| SPRT | Sequential Probability Ratio Test |