| Acronym | Meaning |
 | IAPSO | International Association Of Physical Sciences Of The Ocean |
| GCEC | Global Change And Ecological Complexity |
| IR&D | Internal Research And Development |
| HDGEC | Human Dimension Of Global Environment Change |
| ADDS | Aviation Digital Data Service |
| DSSG | Defense Science Study Group |
| OTA | Office Of Technology Assessment |
| MDDS | Maintenance Decision Support System |
| RTD | Regional Transportation Department |
| TIBEX | Tidewater Bermuda Experiment |
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