| Acronym | Meaning |
| AID | Air Inlet Damper |
| AC | Adirondac Conference |
| PSU | Pennsylvania State University |
| SBUV | Solar Backscatter Ultrav Iolet |
| EED | Exposure Evaluation Division |
| HELLO | N/A |
| IIT | Illinois Institute Of Technology |
| NEPA | National Environmental Policy Act |
| EOL | Earth Observing Laboratory (formerly ATD) |
| UNICOS | Unix Cray Operating System |