| Acronym | Meaning |
| IIPS | Interactive Information And Processing Systems [for Meteorology |
| ADAACS | Affiliated Distributed Active Archive Centers |
| GPM | Geopotential Meter |
| CAL | Computer-aided Learning |
| PILPS | Program For Intercomparison Of Land Surface Parameterization Schemes |
| ERS | Earth Resources Satellite |
| EFI | Enrico Fermi Institute |
| MAP | Middle Atmosphere Program |
| BSI | British Standards Institute |
| DISA | Defense Information Systems Agency |