| Acronym | Meaning |
| APC | Argon Purge Cart |
| HCN | Historical Climatology Network |
| ASIS | American Society For Industrial Security |
| SOLSTICE | Solar/Stellar Intercomparison Experiment |
| MODIS-T | Moderate Resolution Imaging Spectroradiometer-Tilt |
| SG&A | Sales |
| PM2.5 | Particulate Matter With Mass Median Aerodynamic Diameter Less Than 2.5 Micrometers |
| MILNET | Military Network |
| PMS | Particle Measuring Systems |
| FACA | Federal Advisory Committee Act |