| Acronym | Meaning |
| RUI | Research In Undergraduate Institutions |
| EOS | Earth Observing System |
| EAO | Economy Act Order |
| APPLY | Parallel Program Generation |
| UNAM | Universidad Autonoma De Mexico |
| ABLE | Activity Balance Line Evaluation |
| DASMA | Deputy Assistant Secretary For Military Application |
| ERBE | Earth Radiation Budget Experiment |
| EO-ICWG | Earth Observation International Coordination Working Group |
| ESSCO | Environmental Science & Services Corporation |