| Acronym | Meaning |
 | AS&E | American Science And Engineering |
| SOLSTICE | Solar/Stellar Irradiance Comparison Experiment |
| PD | Positive Definite |
| IUTAM | International Union Of Theoretical And Applied Mechanics |
| EPI | Environmental Policy Institute |
| DME | Distance-measuring Equipment |
| GPS | Grants Program Section |
| USAFGL | United States Air Force Geophysical Laboratory |
| ATSD | Assistant To The Secretary Of Defense |
| ERTD | Environmental Research & Technology Division |
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