| Acronym | Meaning |
| IV | Integrated Vehicle |
| OCR | Optical Character Recognition |
| GOC | GrGOCGround Operations Coordinator |
| MECF | Main Engine Computational Facilities |
| DK | Deck |
| IP | Intermediate Pressure |
| ACRV | Assured Crew Return Vehicle |
| PRD | Program Requirements Documents (UDS) |
| IV | Initial Velocity |
| FPCA | Forward Power Control Assembly |