| Acronym | Meaning |
| CSDD | Control Systems DeveloPment Division (JSC) |
| CQD | R Critical Qualification Design Review |
| MAX | Maximum |
| MEAR | Maintenance Engineering Analysis Request |
| DOY | Day Of Year |
| CO | Change Order |
| RTE | Responsible Test Engineer |
| PCIN | Program Change Identification Number |
| BTR | Burn Time Remaining |
| OPL | Operational |