| Acronym | Meaning |
| TLS | Time Line Sheet |
| RIR | Reportable Item Report |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer |
| SEI | SYstem Engineering Groundrule |
| PCS | Pressure Control System |
| VDD | Verification Description Document |
| OMI | Operations And Maintenance Instruction |
| DCIB | Data Communication InPut Buffer |
| M | Mandatory |
| QRSL | Quick-Reaction Space Laboratory |