| Acronym | Meaning |
| G/T | Activity Per Ton |
| GTF | Ground Test Facility |
| AMR | Adaptive Mesh Refinement |
| FNAL | Fermi National Accelerator Laboratory |
| DISN | Defense Information Systems Network |
| NHRE | National Hail Research Experiment |
| ITO | Independent Test Organization |
| NIC | Network Interface Card |
| ISM | In Situ Measurements |
| ICCP | International Commission Of Clouds And Precipitation |