| Acronym | Meaning |
| EMO | Emergency Management Office |
| G-TUF | G-Tunnel Underground Facility |
| GHOST | Global Horizontal Sounding Technique |
| ARPA | Archaeological Resources Protection Act |
| PDE | Partial Differential Equation |
| CDIAC | Carbon Dioxide Information Analysis Center |
| AORD | Astronaut Operations Requirements Document |
| LM | Large Model |
| FLSA | Fair Labor Standards Act |
| MFE | Magnetic Field Explorer |