| Acronym | Meaning |
 | BBSO | Big Bear Solar Observatory |
| IGU | International Geographical Union |
| WI | Workstation Interface |
| DCAR | Data Collection Analysis Request |
| USC-GARP | United States Committee For GARP |
| ATIS | Airport Terminal Information System |
| TCZ | Tropical Cloud Zone |
| FNOC | Fleet Numerical Operations Center |
| RAG | Resource Accounting Group |
| BMDO | Ballistic Missile Defense Organization |
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