The Geophysical Institute has posted a video showing a very practical use for unmanned aircraft systems in civilian operations. In this case, the Institute teamed with the North Pacific Fisheries Foundation and the Navy to use an AeroVironment Puma all-weather UAV with an EO/IR sensor package to quietly observe Stellar sea lions in the Aleutian Islands.
In addition to a very interesting landing technique (controlled stall, it would appear), check out the portable ground-based sense and avoid system called iPASS, which can monitor air traffic as far away as 12 miles.

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