| Acronym | Meaning |
| EOSDIS | Earth Observing System Data And Information System |
| POP | Probability Of Precipitation |
| FIFOLIB | N/A |
| NESS | National Earth Satellite Service |
| CCPP | Climate Change Prediction Program |
| OAR | Oceanic And Atmospheric Research |
| GAPS | Billions (109) Of Actions Per Second |
| ALU | Arithmetic Logic Unit |
| PMEL | Pacific Marine Environment Laboratory |
| JOSS | Joint Office For Science Support |