| Acronym | Meaning |
| IDD | Internet Data Distribution |
| GFS | Global Forecast System |
| PMS | Performance Measurement System |
| SPIE | Society Of Photo-optical Engineers |
| IAPO | International Association Of Physical Oceanography |
| AP | Anomalous Propagation |
| BAPMON | Baseline Air Pollution Monitoring Network |
| GSE | Ground Support Equipment |
| DIB | Disabilities Issues Board |
| RF | Radio Frequency |