John Ferguson and Chris Thompson, Unmanned Aircraft System operators for AeroVironment, release a Puma All Environment UAS from the flight deck of the Coast Guard Cutter Healy during an exercise in the Arctic Aug. 18, 2014. The Coast Guard Research and Development Center and the National Oceanic and Atmospherc Administration evaluated the UAS for use in tracking a simulated oil spill during the exercise. (Coast Guard photo by Petty Officer 1st Class Shawn Eggert)