| Acronym | Meaning |
| ACSE | Association Control Service Element |
| AG | Alternating Gradient |
| GLWQA | Great Lakes Water Quality Agreement |
| DSN | Defense Switched Network |
| DODS | Distributed Ocean Data System |
| SIGMET | Significant Meteorological Information |
| AWC | Aviation Weather Center |
| LSD | Large-scale Dynamics |
| ISMRM | Integrated Soil Moisture Retrieval Models |
| TIAA | Teachers Insurance And Annuity Association |