| Acronym | Meaning |
| CCM | Controlled Carrier Modulation |
| SRT | Shuttle Requirements Traceability |
| LIMRC | LRU Identification And Maintenance Requirements Catal |
| IMF | InventoryMasterFile |
| HCSI | Hughes Communications Services |
| RRI | Rendezvous Radar Indicator |
| TS | Technical Support (KSC Directorate) |
| NRC | Nonrecurring Costs |
| IPS | IRIG-BInterrange Instrumentation Group B |
| RB | Radar Beacon |