| Acronym | Meaning |
| ICR | Instruction Change Request |
| K-CITEM | KSC CITE Plan/Requirement |
| PETA | Performance Evaluation And Trend Analysis |
| OEM | Original Equipment Manufacturer |
| CR | Certification Requirement |
| PLRD | Payload Requirements Document |
| RSL | Resource Support List |
| EDR | Engineering Design Review |
| IPL | Initial Program Load |
| GNCIS | GNGNCISGN&C Integration Simulator |