| Acronym | Meaning |
 | RAPB | Regional Analysis And Prediction Branch |
| ABC | Accelerator-based Conversion |
| ESSCO | Electronic Space Systems Corporation |
| ARD | Air & Radiation Division |
| ELP | Emission Line Polarimeter |
| JOSS | Joint Office For Science Support |
| UNCED | United Nations Conference On Environment And Development |
| NSI | NASA Science Internet |
| HAO | High Altitude Observatory |
| EBR-II | Experimental Breeder Reactor II |
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