| Acronym | Meaning |
| IQSY | International Years Of The Quiet Sun |
| GIMPAP | GOES Product Assurance Plan |
| DDN | Data Defense Network |
| APLE | Average Power Laser Experiment |
| EM | Electromagnetic |
| SEDI | Structure Of The Earth's Deep Interior |
| HRSO | High Resolution Solar Observatory |
| VAI | High Positive Vorticity |
| DAI | Data Assimilation Initiative |
| ISMRM | Integrated Soil Moisture Retrieval Models |