| Acronym | Meaning |
 | IPO | International Programs Office |
| ERT | Environmental Research And Technology |
| AOO | Anticipated Operational Occurrence |
| S&T | Science And Technology |
| WX | Weather |
| HST | Hubble Space Telescope |
| AC | Actual Commitment |
| IFIAS | International Federation Of Institutes For Advanced Study |
| ESMF | Earth System Model Framework |
| DODP | Department Of Defense Programs |
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