| Acronym | Meaning |
| AQD | Air Quality Digest |
| ACD | Advanced Conceptual Design |
| NAS | National Airspace System |
| ACL | Auxiliary Cooling Loop |
| ISUSS | Integrated Surface And Upper-air Sounding System |
| ASTER | Atmosphere-Surface Turbulent Exchange Research Facility |
| UCAR | University Corporation For Atmospheric Research |
| DEC | DOE Environmental Checklist |
| GLOMAC | Part Of EUROTRAC |
| VNTSC | Volpe National Transportation Systems Center |