| Acronym | Meaning |
| ABS | Automatic Backup Shutdown |
| EFI | Enrico Fermi Institute |
| AMD | Alpha Activity Median Diameter |
| CCSM-2 | Community Climate System Model š 2nd Generation |
| MDDS | Maintenance Decision Support System |
| ARES | Advanced Reentry System |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |
| UAV | Unmanned Aerial Vehicles |
| AQCR | Air Quality Control Region |
| CAI | Computer-aided Instruction |