| Acronym | Meaning |
| SHLB | Simulation Hardware Load Boxes |
| DCL | Document Change List |
| TCTO | Time Compliance Technical Order |
| OOP | Out Of Position |
| MOPI | Max Rate Output Initiator |
| DPN | L Distribution Panel |
| MM | Math Model |
| OCC | Operations Control Center |
| ESOC | European Space Operations Center |
| DECL | Direct Energy Conversion Laboratory (JSC) |