| Acronym | Meaning |
 | R/A | Radar Altimeter |
| CCRF | Consolidated Communication Recording Facility |
| SEC | Secondary |
| OCP | Output Control Pulse |
| CAR | Configuration And Acceptance Review |
| ECRA | Engineering Change Request/Authorization |
| LCT | Launch Countdown |
| IP | Instrumentation Payload |
| SPCC | STS Processing Control Center |
| VAA | Viewpoint Adapter Assembly |
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