| Acronym | Meaning |
| CCR | Contractor Change Request |
| ENGR | Engineer |
| RJEC | Reaction Jet Engine Control |
| DHA | Design Hazards Analysis |
| POP | Perpendicular-to-Orbit Plane |
| HS | High Speed |
| OIL | Operations Integration Instruction |
| SSDD | Software System Design Document |
| POM | Pallet-Only Mode |
| SCIT | Standard Change Integration And Tracking |