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A recent DID article explained the differences between the smaller MQ-1 Predator and MC-1 Sky Warrior UAVs, and their more advanced cousin the MQ-9 Reaper hunter-killer that can fly at 50,000 feet. As we noted at the time, however, the MQ-9 is also the basis for other UAVs, some of which are used for research. One is NASA's Ikhana unmanned research aircraft (pron. ee-kah-nah, Choctaw language, means "intelligent").
NASA has also been intelligent, running wildfire related exercises and missions since August. Ikhana flew over several of the Southern California wildfires Wednesday, Oct 24/07, using its payload capacity to carry a special thermal-infrared imaging equipment that can look right through smoke and haze and record high-quality imagery of key hot spots. The imagery is processed on board, downlinked, and overlaid on Google Earth maps at NASA Ames Research Center in Northern California, Then it's made available by the National Interagency Fire Center to incident commanders in the field to aid them in allocating their fire-fighting resources.
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Each flight is being coordinated with the FAA, to allow the remotely piloted aircraft to fly within the national airspace while maintaining separation from other aircraft. The missions are controlled by pilots remotely from a ground control station at NASA's Dryden Flight Research Center at Edwards Air Force Base, CA. The above 3-D image was taken at 10:21 a.m. PDT over the Harris Fire in San Diego County, looking west. The hot spots (in yellow) are concentrated on the ridgeline in the left center of the photo.
Nice work, NASA. More MQ-9 Ikhana images can be found via this NASA page, or you can look at Ikhana's page of past photos, which includes one detailing its wildfire sensor package.
Check out the images of the wild fires, its surreal. Those Santa Ana winds are blowing smoke a thousand miles out to sea. It looks like a storm system but its all smoke and ash. Its astonishing, not every day you see clouds blowing west. Shows you exactly what those firefighters have had to deal with.