Drone Yosemite fire, The 12-day-old fire has grown to 301 square miles and is 30% contained. An unmanned drone aircraft is flying over the vast Rim Fire near Yosemite National Park and sending back real-time data to firefighters on hot spots and movement of the blaze, fire officials say. The National Guard Predator drone launched Wednesday from an airfield in Southern California and can remain airborne for 22 hours at a time. Daniel Berlant, spokesman for California's state fire agency, says the military drone is being used in its biggest firefighting test to date and has provided commanders with real-time images and information on fire activity near and inside Yosemite. "Because the fire is so large ... we're hoping that new technology will allow us to better deploy our resources,'' Berlant said. The U.S. Forest Service said in a statement that the aircraft "will identify where fire activity is located and how it is moving, including locating a...