| Acronym | Meaning |
| VSM | Vertical Slab Model |
| EM | Electron Microscope |
| GADMAP | GATE Aircraft Data Management Program |
| RRB | Risk Reduction Branch |
| NTN | National Telecommunications Network |
| ESC | Engineering Support Center |
| M-ANL | Argonne National Laboratory |
| AIT | Audit Inventory Team |
| IMS | Information Management Service |
| AISC | Assessment And Information Services Center |