| Acronym | Meaning |
| ELVD | Every Launch Vehicle Directorate |
| USDI | United States Department Of Interior |
| NSFNF | Non-NSF Non-funded |
| SOI | Solar Oscillations Imager |
| DECMAIL | An Electronic Mail Facility Provided By DEC |
| AMP | Ampere |
| EEID | EOSDIS External Interface Document |
| EDF/ DER | Electricit? De France/ Direccion Des Etudes Et Recherche |
| ACG | Advanced Computing Group |
| FP | Plasma Frequency |