| Acronym | Meaning |
| HSC | Hardware/Software Coordination |
| CDSC | Communications Distribution And Switching Center |
| SQ | FtSquare Feet |
| U-SB | Unified S-Band |
| PR | PulseRate |
| GSVP | Ground Support Verification Plan |
| ROC | Record Of Comments |
| FSRS | Flight System Recording System |
| NRL | Naval Research Laboratory |
| HCMM | Heat Capacity Mapping Mission |