| Acronym | Meaning |
| 3D | Three |
| DU | Depleted Uranium -Dust (METAR Code) |
| MMS | Multimission Modular Spacecraft |
| JCDB | Joint Common Data Base |
| DRT | Document Related Technologies |
| BIOS | Basic Input/Output System - British Institute Of Organ Studies |
| DINK | Double Income |
| NB | Niobium |
| ERI | Eritrea (ISO 3166 Trigram) |
| NESDIS | National Environmental Satellite |