| Acronym | Meaning |
 | BOS | Backup Operating System |
| JOVIAL | Joules Own Version International Algebraic Language |
| MSC | Manned Spacecraft Center (changed To JSC) |
| LH2 | Liquid Hydrogen |
| DD | Data Display |
| ODP | Operational Display Procedure |
| RLY | Relay |
| CLRB | Cost Limit Review Board |
| IUS | Interim/intermediate UPper State |
| STSOPO | Shuttle Transportation Systems Operations Program |
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