| Acronym | Meaning |
 | CRPL | Cosmic Ray Physics Laboratory |
| PA | Public Address |
| RREA | Rendezvous Radar Electronics Assembly |
| PMS | Performance Measurement System |
| CAB | Cost Audit Board |
| OIS | Orbiter Instrumentation Systems |
| ALC | Augmented Landing Site |
| LC | Intercom (Orbiter To Ground Via Hardline) |
| SPADS | Shuttle Problem Action Data System |
| FFBD | Functional Flow Block Diagram |
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