| Acronym | Meaning |
| MRB | Materials Review Board |
| JODC | Japan Ocean Data Center |
| PEC | Performance Management Committee |
| AMS | Accelerator Mass Spectrometer |
| CBO | Congressional Budget Office |
| ESSCO | Electronic Space Systems Corporation |
| NOAA | National Oceanic And Atmospheric Administration |
| EURATOM | European Atomic Energy Agency/Community |
| ESSC | Earth System Science Committee |
| BSAC | Biotechnology Science Advisory Committee |