With smoke from the Lake Arrowhead area fires streaming in the background, NASA's Ikhana unmanned aircraft heads out on a… https://www.rawpixel.com/image/440760/free-photo-image-aircraft-autonomous-google-mapFree Image from public domain licenseNASA's Ikhana unmanned science demonstration aircraft over the U.S. Borax mine, Boron, California. Original from NASA .… https://www.rawpixel.com/image/440768/free-photo-image-military-aircraft-carrierFree Image from public domain licenseNASA's Ikhana unmanned science demonstration aircraft in flight during the ferry flight to its new home at the Dryden Flight… https://www.rawpixel.com/image/440770/free-photo-image-army-unmanned-aircraftFree Image from public domain licenseNASA's Ikhana unmanned science demonstration aircraft over Southern California's high desert during the ferry flight to its… https://www.rawpixel.com/image/440710/free-photo-image-army-unmanned-aircraftFree Image from public domain license