| Acronym | Meaning |
 | TDRS | Tracking And Data Relay Satellite |
| ORP | OFS Retransmission Processor |
| VT | Vent |
| NCI | Phasing Maneuver |
| SSM | Subsystem Manager |
| SSO | Space Shuttle Orbiter |
| IOC | Initial Operational Capability |
| LSSP | Launch Site Support Plan |
| ECF | Equivalency Capability File |
| MIS | Manipulator Jettison System (Subsystem) |
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