| Acronym | Meaning |
 | CIR | Cargo Integration Review |
| BSR | Basic System Release |
| RD | Radiation Detection |
| FCS | Federal Communications System |
| LMCC | Integrated Mission Control Center |
| BTU | Bus Terminal Unit |
| RIC | Rockwell International Corporation |
| SSMECA | Space Shuttle Main Engine Controller Assembly |
| HV | Hydrogen Vent |
| CPD | R Contractor's Preliminary Design Review |
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