| Acronym | Meaning |
| EFC | Experimental Forecast Center |
| RIB | Research Internet Backbone |
| OSI | Open Systems Interconnection |
| ISU | Intermediate Storage Unit |
| DEWPOINT | Directed Energy Weapon Power Integration |
| LORAN-C | Long Range (aid To) Navigation-C |
| CCIT | Comite Consultatife International De Telephonique Et Telegraphique |
| EMC | Environmental Modeling Center |
| TEA | Transversely Excited Atmospheric (pressure) |
| RSA | Range Standardization And Augmentation Project |