| Acronym | Meaning |
| DLSA | (U.S.) Defense Legal Services Agency |
| PEET | Partnerships For Enhancing Expertise In Taxonomy |
| RE | Rhenium |
| AZE | Azerbaijani Language (ISO 639-2 Code) |
| UNCSGN | United Nations Conference On The Standardization Of Geographical Names |
| EDC | DAAC -EROS Data Center Distributed Active Archive Center |
| LASER | Light Amplification By Stimulated Emission Of Radiation (cf. Maser) |
| DEA | Drug Enforcement Agency |
| IU | Inuktitut Language (ISO 639-1 Code) |
| FEP | Firepower Enhancement Program - Fleet Satellite (FLTSAT) Extremely High Frequency (EHF) Package |