| Acronym | Meaning |
 | DDN | Data Defense Network |
| IOP | Intensive Observation Period |
| MASI | Middle Atmosphere Science Initiative |
| ALSAS | AT Line Solution Assay |
| PHIGS | Portable Hierarchical Image And Graphic Standard |
| DBMS | Data Base Management System |
| F | Fahrenheit |
| OD | Outside Diameter |
| FFRDCS | Federally Funded Research And Development Centers |
| EO | Ethylene Oxide |
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