| Acronym | Meaning |
 | PRR | Program Requirements Review |
| NWS | National Weather Service |
| VIS | Verification Information System |
| RAD | Roentgen Absorbed Dosage |
| NB | Narrow Band |
| REI-N4 | REI-N4011ite Cation |
| OFTDS | Orbital Flight Test Data System |
| MDM | Manipulator Deployment Mechanism |
| SISWG | STS Integrated Schedule Working Group |
| INSTALLATIO | Installation Notification Certificate |
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