| Acronym | Meaning |
 | PTCS | Propellant Tanking Computer System |
| LR | Launch Right |
| CIA | Controller Interface Assembly |
| QD | Quick Disconnect |
| ITAP | Integrated Technical Assessment Panel |
| DER | Drawing Error Report |
| NPSH | Net Positive Suction Head |
| MM | Millimeter |
| LAPS | Left Aft Propulsion System (Subsystem) |
| ROS | Regulated Oxygen Supply |
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