| Acronym | Meaning |
| ACL | Auxiliary Cooling Loop |
| GGNS | Grand Gulf Nuclear Station |
| TOGA COARE | The Tropical Ocean And Global Atmosphere Program's Coupled Ocean-Atmosphere Response Experiment |
| ISY | International Space Year |
| NSIDC | National Snow And Ice Data Center |
| FICS | Facility Information And Control System |
| XMDSL | X Window Interface Distributed Software Library |
| WERC | World Environment And Resources Council |
| HALIFF | N/A |
| DDN | Data Defense Network |