| Acronym | Meaning |
| UI | Unit Of Issue |
| PSC | Polar Stratospheric Cloud |
| IUCRM | Inter Union Commission On Radio Meteorology |
| AIAIT | Army Intelligence And Threat Analysis Center |
| DC | Dublin Core--metadata |
| ISAS | Institute Of Space And Astronautical Science |
| ACF | Automatic Control Feature |
| CAE | Computer Aided Engineering |
| FLETC | Federal Law Enforcement Training Center |
| WIFE | Wildfire Experiment |