| Acronym | Meaning |
 | ECA | Earth-crossing Asteroids |
| GLIS | Global Land Information System |
| WMS | World Magnetic Survey |
| API | American Petroleum Institute |
| PACS | Pan-American Climate Studies |
| EEOC | Equal Employment Opportunity Commission |
| AERE | Association Of Environmental & Resources Economists |
| BOSS | Badge Office Security Sytem |
| PSC | Pittsburgh Supercomputing Center |
| LFC | Large Format Camera |
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