| Acronym | Meaning |
| VSN | Video SwitchingNetwork |
| LRO | Large Radio Observatory |
| FSL | Flight Systems Laboratory |
| SPC | Shuttle Processing Contractor |
| MRCR | Measurement Requirement Change Request |
| IPDR | Incremental Preliminary Design Review |
| SP-OPI | OPerations Planning And Integration Office (KSC |
| MRL | Material Requirements List |
| HRDA | High Rate Data Assembly |
| OML | Outer Mold Line |