| Acronym | Meaning |
 | PSS | Payload Specialist Station |
| MMS | Modular Multiband Scanner |
| ROS | Removable Overhead Structure |
| SIP | Scientific Instrument Package |
| LHC | Left Hand Circular |
| T | Top |
| RALT | Radar Altimeter |
| VR | Variable Reluctance |
| PBW | Proportional Band Width |
| FOPS | Flight Operations Planning Schedule |
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