| Acronym | Meaning |
| VU | Vehicle Utility |
| HID | Hardware Interface Device |
| ISI | Initial Systems Installation |
| PDF | Pocket Dosimeter FEMA |
| PDS | Partitioned Data Set |
| SEB | Scientific Equipment Bay |
| ECD | Engineering Control Drawing |
| IAL | International Algebraic Language |
| IAD | Interface Analysis Document |
| DAF | Data Acquisition Facility |