Using long-range and infrared cameras, the drone provided commanders with more than 3,000 images of the disaster zone ??? including images of survivors in need of help, Reneau said.It also was an invaluable tool when the nuclear reactors exploded at the Fukushima Dai-ichi Nuclear Power Plant, he said.???Instantly we were the eyes in the sky,??? he said. ???There were a lot of issues with ground ca