| Acronym | Meaning |
| RECOURSE | Revision Control Unifying Related Environments |
| FCA | Functional Configuration Audit |
| ACTS | Advanced Communications Technology Satellite |
| GPS CORS | Global Positioning System Continuously Operating Reference Stations |
| AMIP | Atmospheric Model Intercomparison Project |
| NIMBUS | Networked Information Management Client-Based User Service |
| IS | Institute Sponsors |
| HERS | Human Ecology Research Service |
| IGB | International Geophysical Bulletin |
| CAD | Computer-Aided Dispatch |