| Acronym | Meaning |
| RACOON | Radiation Controlled Balloon |
| SLED | Single Large Expensive Disk |
| TOA | Top Of The Atmosphere |
| JICA | Japan International Development Agency |
| EV | Earned Value |
| DOE/HQ | Department Of Energy Headquarters |
| TID | Traveling Ionospheric Disturbance |
| NIH | National Institute Of Health |
| ENSO | El Ni-o-Southern Oscillation |
| EOC | EOS Operations Center |