| Acronym | Meaning |
| ACDAR | Acoustic Radar |
| IRD | Interface Requirements Document |
| SAS | Statistical Analysis System |
| UCSB | University Of California At Santa Barbara |
| AO | Announcement Of Oppurtunity |
| AFS | Auxiliary Feedwater System |
| LBA/TRMM | Large Scale Biosphere-Atmosphere Experiment In Amazonia/Tropical Rainfall Measuring Mission |
| CAI | Controlled Air Incinerator |
| AER | Advanced Electric Reactor |
| STEM | Scanning-transmission Electron Microscope |