| Acronym | Meaning |
| BRS | Bibliographic Retrieval Service |
| ATC | Air Traffic Control |
| ESAD | Earth Science And Applications Division |
| IEIS | Integrated Earth Information Server |
| NPS | Numerical Product Service |
| HSM | Hierarchical Storage Management |
| ACR | Air Conditioner |
| SFC OR SFC | Surface |
| MTL | Message Transfer Layer |
| NCPO | National Climate Project Office |