| Acronym | Meaning |
| OC | Orbital Check |
| SNSO | Space Nuclear SYstems Office |
| GIRD | Ground Integration Requirements Document |
| CS | Consumables Status |
| NIB | NNIB Noninterference Basis |
| ISP | Instrumentation Support Plan |
| SP-PAI | Project Assessment And Integration Staff (KSC) |
| PC | Chamber Pressure |
| MCW | Modulated Continuous Wave |
| ESDU | Event Storage And Distribution Unit |