| Acronym | Meaning |
| MSISR | Millstone Hill Incoherent Scatter Radar |
| IMS | Information Management Service |
| ALE | Arbitrary Lagrangian-Eulerian |
| IASP | International Atmospheric Surveillance Program |
| ACO | Atomic Coordinating Office |
| PGS | Product |
| GLIS | Global Land Information System |
| SPIE | International Society For Optical Engineering |
| UCSB | University Of California At Santa Barbara |
| KDP | Potassium Dihydrogen Phosphate |